Best Trailer Anti Theft Devices for Couplers and Wheels

#1 · Best Overall

1. Master Lock Trailer Lock 379ATPY

• Weight: 16 oz
• Material: Zinc
• Dimensions: 5.1 x 3.5 x 4.6 in

Best for: Weather-resistant coupler security.

Why it ranks #1: Fits 1-7/8-inch, 2-inch, and most 2-5/16-inch couplers, with a listed 16-ounce weight for a straightforward coupler-lock option.

Weather-resistant and cut-resistant features distinguish this Master Lock coupler lock for trailers left parked or stored outdoors. It blocks unauthorized coupling on 1-7/8- and 2-inch couplers, as well as most 2-5/16-inch couplers, giving owners of common trailer types a single tongue-lock option.

The lock fits two specified coupler sizes and most 2-5/16-inch couplers, so it can work across many common trailer, RV, camper, boat, and utility-trailer setups. Its stated weather-resistant and anti-corrosion features support use around outdoor storage, while the cut-resistant designation adds a listed physical deterrent. Made from zinc, the unit measures 5.1 by 3.5 by 4.6 inches and weighs one pound, making its dimensions relevant when storing it with towing gear.

Skip it if you need a lock specifically listed for every 2-5/16-inch coupler; METOWARE names that size without the same most-couplers qualifier.

This is a sensible option for owners securing a parked trailer, RV, camper, boat, or utility trailer at the coupler. Its 2-5/16-inch compatibility is limited to most couplers, so that size calls for particular attention.

Listed on Amazon as: Master Lock Trailer Lock, Black Trailer Tongue Lock 379ATPY

#2 · Most Adjustable Coupler Fit

2. METOWARE Coupler Lock

• Weight: 1.6 lb

Best for: Multi-size coupler compatibility.

Why it ranks #2: Its ratchet offers 11 locking positions and fits 1-7/8-inch, 2-inch, and 2-5/16-inch couplers, supporting a range of common sizes.

Eleven ratchet locking positions let this METOWARE coupler lock adjust across 1-7/8-, 2-, and 2-5/16-inch couplers. That range makes it a practical choice for owners using trailers with different common coupler sizes, while its bright yellow, all-metal construction keeps the lock visible on a parked trailer.

The ratchet mechanism gives you 11 locking positions, allowing adjustment among the three listed coupler sizes without relying on a single fixed setting. METOWARE specifies compatibility with 1-7/8-, 2-, and 2-5/16-inch couplers, so the lock can serve different trailers in a shared setup. All-metal construction provides the listed heavy-duty build, and the yellow finish makes the installed lock conspicuous. At 1.6 pounds, it is a compact option to carry with towing equipment.

Skip it if you need a stated weather-resistance feature; Master Lock 379ATPY lists weather resistance and fits common couplers.

Choose this for a trailer owner who wants one adjustable lock across the three listed coupler sizes. Its ratchet offers flexible positioning, but the supplied specifications do not describe a weather-resistance rating or material grade.

Listed on Amazon as: METOWARE Trailer Coupler Lock, Fit 1-7/8", 2", 2-5/16" Coupler, Yellow

#3 · Best Stated Tire-Size Range

3. VEVOR Wheel Lock Clamp

• Weight: 10.8 lb
• Material: Alloy Steel
• Dimensions: 25.98 x 12.2 x 6.3 in

Best for: Two-boot tire coverage.

Why it ranks #3: The two-pack lists compatibility with tire sizes from 6.3 to 15 inches and includes two cranks and four keys.

A 12-inch suction cup covers wheel lug nuts, adding a barrier against tire removal alongside the VEVOR clamp’s wheel-locking function. This two-pack is aimed at owners who want to secure two tires, with listed fit for tire sizes from 6.3 to 15 inches, subject to the stated width and radius limits.

The pair of alloy-steel clamps lets you secure two wheels, while the 12-inch suction cup is intended to cover lug nuts and hinder removal of the whole tire. VEVOR lists tire sizes from 6.3 to 15 inches, with section width within 6.3 inches and radius within 13.8 inches; those limits are important when checking a particular wheel. Two cranks and four keys are included, supporting setup and operation of both locks. The yellow finish also makes them visible.

Skip it if you need a clamp for tires outside its stated dimensions; AV Steel lists a 7.1-to-10.6-inch tire-diameter range.

This two-pack suits owners seeking wheel clamps with lug-nut coverage for trailers, RVs, cars, trucks, or SUVs. Check both the tire-size range and its section-width and radius limits before choosing it.

Listed on Amazon as: VEVOR Wheel Lock Clamp, 2 Pack Trailer Wheel Lock, Heavy-Duty Anti Theft Tire Lock, Adjustable Tire Boot Lock, Trailer Wheel Locks for RV Trailers, Cars, Trucks, SUVs

#4 · Best Keyed-Alike Pair

4. Tevlaphee Adjustable Wheel Lock

• Weight: 8.8 lb
• Material: Alloy Steel
• Dimensions: 17.1 x 9.5 x 6.1 in

Best for: Shared-key two-wheel coverage.

Why it ranks #4: This two-lock set includes six same keys, so one key type operates both locks; its alloy-steel construction suits wheel security.

Two wheel locks share six alike keys, so you can secure two tires without managing separate keys. Tevlaphee pairs that convenience with high-strength steel and a copper lock cylinder, while the bright yellow-and-red finish makes the devices conspicuous when fitted to a parked vehicle.

The two-lock set suits owners who want wheel-level deterrence on more than one tire, and the six matching keys simplify access to both locks. High-strength alloy steel and the copper lock cylinder are the listed security materials; the bright yellow-and-red finish makes the fitted locks easier to spot. Each lock measures 17.1 by 9.5 by 6.1 inches, so storage space matters. The listing gives no tire-size range, leaving fit assessment dependent on your wheel and the product dimensions.

Skip it if you need a stated tire-size range before buying; VEVOR's wheel clamp lists a 6.3-to-15-inch range.

This set suits owners securing two vehicle wheels who value shared keys and conspicuous color. Check the listed lock dimensions against your storage space, and note that the product information does not state a tire-size range.

Listed on Amazon as: Tevlaphee Wheel Lock Set,Trailer Security Adjustable Anti Theft Trailer Wheel Lock for Car Camper Trailers SUV Boat Motorcycle Great Deterrent 2 Packs 6 Alike Keys

#5 · Best Lug-Nut Coverage

5. Tevlaphee Dual-Lock Wheel Boot

• Weight: 13 lb
• Material: Alloy Steel
• Dimensions: 24.8 x 11.42 x 17.32 in

Best for: Dual-lock hub-cover protection.

Why it ranks #5: Its hub cap covers lug nuts, and the listed dual-lock boot weighs 13 pounds; it is intended for trailers and several other vehicles.

A dual-lock mechanism paired with a hub cap that covers lug nuts gives this 13-pound Tevlaphee boot two layers of wheel-level deterrence. It is intended for trailers, campers, cars, trucks, and SUVs, particularly when a substantial clamp and a barrier to tire removal matter more than lightweight handling.

The dual-lock mechanism is specified to resist picking, drilling, cutting, sawing, prying, and gas freezing, while the hub cap blocks access to lug nuts and helps deter tire removal. Its 13-pound weight signals a trade-off: the lock is substantial to handle and store, but its heft is part of the product’s stated construction. A crank and keys are included, and a setup video is listed. The yellow wheel boot is recommended for trailers, campers, cars, trucks, and SUVs.

Skip it if you prioritize a lighter clamp for handling; KAYCENTOP L2015-2 is listed at 4.7 pounds.

This is for owners who want a substantial wheel boot with lug-nut coverage for a trailer, camper, car, truck, or SUV. Its 13-pound weight is a practical handling and storage consideration.

Listed on Amazon as: Tevlaphee Wheel Lock – Car Boot Anti-Theft Trailers Wheel Clamp Lock Parking Boot for Cars, Trucks, SUVs, Campers – Upgraded Dual Lock Adjustable Lug Nuts Cover

#6

6. Kohree Trailer Coupler Lock

• Weight: 5.28 lb

Best for: Heavy-steel tongue-lock protection.

Why it ranks #6: A coupler-lock option for standard 2-inch and 2-5/16-inch couplers, with a stated warning to verify fit for special coupler models.

Thick, high-strength steel and a matte black coating set this Kohree tongue lock apart for owners securing standard 2- or 2-5/16-inch ball couplers. It fits over the hitch connection to deter unauthorized coupling, while its specified resistance to pry bars, hammers, and power drills addresses common tool-based threats.

The lock covers the hitch connection on 2-inch and 2-5/16-inch ball couplers, making the size and coupler type essential to compatibility. Kohree describes its thick, high-strength steel as resisting pry bars, hammers, and power drills, while the non-reflective matte black coating gives the exterior a low-profile finish. The product weighs 5.28 pounds. The listing warns that some special couplers, including thick-gauge trailer couplers, may not fit, so compatibility deserves careful checking.

Skip it if you need a lock for a 1-7/8-inch coupler; Master Lock 379ATPY lists that size alongside 2-inch and most 2-5/16-inch couplers.

This suits owners of standard 2- or 2-5/16-inch ball couplers seeking a steel lock over the hitch connection. Special and thick-gauge couplers may not fit, so verify the coupler type and dimensions.

Listed on Amazon as: Kohree Trailer Coupler Lock for 2-5/16", 2", Anti Theft Tongue Lock

#7

7. Master Lock Red Trailer Lock

• Weight: 16 oz
• Material: Alloy Steel
• Dimensions: 3.6 x 7.6 x 6.7 in

Best for: Bright coupler-lock deterrence.

Why it ranks #7: This bright-red coupler lock is listed for 1-7/8-inch, 2-inch, and 2-5/16-inch hitches and describes resistance to picking and prying.

A bright red finish makes this Master Lock coupler lock conspicuous, while its locking mechanism is specified to resist picking and prying. It fits 1-7/8-, 2-, and 2-5/16-inch couplers, giving owners of common trailer sizes a visible way to block unauthorized coupling when parked.

The listed compatibility covers three common coupler sizes, so the lock can suit multiple trailers in a household or towing setup. Its advanced locking mechanism is specified to resist picking and prying, while the red finish provides a visible deterrent on the hitch. Master Lock also lists resistance to rust and corrosion, relevant for a lock kept with outdoor towing equipment. The unit weighs one pound; the supplied details do not specify an adjustment mechanism or material grade.

Skip it if you want an expressly listed weather-resistant lock; Master Lock 379ATPY includes that feature and covers common coupler sizes.

This suits trailer owners who want a red, visible coupler lock for one of the three listed sizes, with resistance to picking and prying. Consider the separate weather-resistance information if outdoor exposure is a deciding factor.

Listed on Amazon as: Master Lock Trailer Lock, Trailer Hitch Lock fits 1-7/8",2" & 2-5/16" Red

#8

8. KAYCENTOP Two-Pack Wheel Clamp

• Weight: 4.7 lb
• Material: Alloy Steel, Polyvinyl Chloride
• Dimensions: 16.6 x 9.5 x 2.9 in

Best for: Two-pack protected wheel clamps.

Why it ranks #8: The two-pack includes six alike keys and PVC-coated arms; its stated maximum tire width is 11 inches.

Soft PVC-coated arms protect wheel finishes, while the waterproof lock-position cap helps guard against dirt, dust, and rust. KAYCENTOP supplies two yellow wheel clamps with six alike keys, making this a practical set for owners who want matching locks and an installation described as push-and-lock.

The pair lets you secure two wheels, and six matching keys simplify access across both clamps. Full-welded steel construction is the listed structural feature; PVC-coated arms help protect wheel surfaces during use. A waterproof cap at the lock position is intended to limit dirt, dust, and rust exposure. The product is described as fitting vehicles with a maximum tire width of 11 inches, so that measurement is central to checking compatibility before using the clamps.

Skip it if you have tires wider than 11 inches; VEVOR lists a 6.3-to-15-inch tire-size range, subject to its stated limits.

Choose this pair if you need two visible wheel clamps, shared keys, and coated arms for trailers or other listed vehicles. Its stated maximum tire width of 11 inches is the key fit boundary.

Listed on Amazon as: KAYCENTOP Universal Wheel Lock Clamp Anti Theft Trailer Locks Fit Most Vehicles Max 11" Tire Width Security Tire Boot Lock for Trailers SUV Boats ATV's Motorcycles Golf Cart 2 Packs 6 Keys Alike

#9

9. AV Steel Adjustable Wheel Lock

• Weight: 8.3 lb
• Material: Alloy Steel
• Dimensions: 17.1 x 9.6 x 6.2 in

Best for: Nine-position compact tire fit.

Why it ranks #9: Its two wheel clamps have nine adjustment positions and fit tires from 7.1 to 10.6 inches in diameter, according to the listing.

Nine adjustment holes cover tires from 7.1 to 10.6 inches in diameter, giving this AV Steel wheel clamp a defined fit range across several vehicle types. The two-lock set includes six keys, making it useful for owners who want matching wheel-level deterrents for trailers, RVs, ATVs, or other listed equipment.

The 7.1-to-10.6-inch tire-diameter range and nine-hole adjustment positions help establish whether the clamp suits a particular wheel before installation. Two alloy-steel locks let you secure two tires, while six included keys provide access for the set. AV Steel lists cars, trucks, motorcycles, ATVs, RVs, golf carts, boat trailers, scooters, go-karts, and lawn mowers as suitable uses. The red-and-yellow finish adds visibility, and the stated heavy-duty steel construction supports its role as a physical wheel deterrent.

Skip it if you have tires outside 7.1 to 10.6 inches; VEVOR lists a broader 6.3-to-15-inch tire-size range, subject to its other limits.

Consider this pair if your tire diameter falls within the stated range and you want two clamps with shared access to six keys. It is not the right match for tires outside those measurements.

Listed on Amazon as: AV Steel 2pcs Universal Wheel Lock for Car, Clamp Heavy Duty Trailer Wheel Lock, Adjustable Car Theft Prevention Device Tire Lock with 6 Keys for Car, ATV, SUV, RV, Motorcycle, Golf Cart, and Boat

#10

10. KAYCENTOP Universal Wheel Lock

• Weight: 4.7 lb
• Material: Alloy Steel
• Dimensions: 16.5 x 9.1 x 2.4 in

Best for: Visible single-wheel deterrent.

Why it ranks #10: This single wheel clamp is highly visible and has a waterproof lock-core cap, but its listing gives less specific fit information than higher-ranked options.

A bright yellow-and-red finish makes this KAYCENTOP wheel clamp easy to see on a parked trailer, golf cart, SUV, boat, ATV, motorcycle, or camper. Its welded steel construction and waterproof lock-core cap add practical protection for owners who want a visible, portable wheel-level deterrent.

The clamp uses full-welded steel, and the waterproof cap is intended to keep dirt, dust, and rust away from the lock core. Soft PVC-coated arms help protect the tire, while the bright yellow-and-red finish improves visibility in daylight and at night, according to the listing. One wheel clamp and keys are included, making this a single-wheel solution rather than a multi-lock set. Its 16.5-by-9.1-by-2.4-inch dimensions are useful to consider for storage.

Skip it if you need two wheel clamps in one set; Tevlaphee's wheel lock set includes two locks operated by six alike keys.

This fits owners seeking one conspicuous wheel clamp for a trailer or one of its listed vehicle types. Choose another configuration if you need to secure two wheels with locks from the same set.

Listed on Amazon as: KAYCENTOP Universal Wheel Lock, Security Trailer Wheel Lock, Tire Lock Anti Theft for Trailers Golf Cart SUV Boat ATV Motorcycle Camper, 3 Keys (Yellow-Red)