Coupler & Ball Mount Locks

Attwood Marine Trailer Coupler Lock 1 Piece 12044-6One piece. For maintenance-free trailer security. Solid brass with rustproof stainless steel shackle pin. Includes two keys. Shank length: 5/8" x 1/4" diameter.

Fulton Products Lock-5/8" Stainless Dogbone 580402These receiver locks are safe and secure to keep your vehicle and trailer connected. Covered key slot helps prevent dust and corrosion in the locking mechanism.

Seachoice Trailer Hitch Lock 37401 Designed to fit in padlock hole of trailer coupler for trailer securitySolid brass body haspHeat treated lock is pick resistantPin diameter 1/4"Closed position 1-5/8".

Fulton Products Coupler Lock 63225Solid cast lock bodyCorrosion resistantCovered shank to help prevent cuttingUse on hitched or unhitched trailerIncludes 2 keys

Fulton Products Coupler Lock For 2 Cplr 63228Durable cast bodyIncludes 2 keys

Fulton Products Coupler Lock For 2-5/16 Cplr 63227Durable cast bodyIncludes 2 keys

Fulton Products Lock 72783Durable cast aluminum bodyFits 1-7/8", 2" and 2-5/16" couplersBright yellow for high visibilityIncludes 2 keys

Fulton Products Lock Set-1/2"-5/8" SS Combo 580406This simple, convenient stainless steel set is keyed alike for ease-of-use. Sleeve allows receiver lock to be used on 2" x 2" or 1-1/4" x 1-1/4" receivers and features a dust cap for dust and corrosion...

Fulton Products Lock Set-5/8" Combo 580404This simple, convenient set is keyed alike for ease-of-use. Both locks feature a dust cap for dust and corrosion resistance.

Fulton Products Lock-1/2"- 5/8" Easy Access 580407Rotating lock housing provides easy key access. Sleeve allows lock to be used on 2" x 2" or 1-1/4" x 1-1/4" receivers. Safe and secure, it will keep your vehicle and trailer connected. Covered key slot...

Fulton Products Lock-1/2"-5/8" SS Receiver 580405Sleeve allows lock to be used on 2" x 2" or 1-1/4" x 1-1/4" receivers. Safe and secure, it will keep your vehicle and trailer connected. Covered key slot helps prevent dust and corrosion in the locking...

Fulton Products Lock-5/8" Chrome Bent Pin 580400These receiver locks are safe and secure to keep your vehicle and trailer connected. Covered key slot helps prevent dust and corrosion in the locking mechanism.

Fulton Products Lock-5/8" Chrome Dogbone 580401These receiver locks are safe and secure to keep your vehicle and trailer connected. Covered key slot helps prevent dust and corrosion in the locking mechanism.

Fulton Products Lock-Adjustable Coupler 580410Rotating lock housing provides easy key access. These locks fit around the coupler making it impossible to hitch to anyone's vehicle. Covered key slot helps prevent dust and corrosion in the locking mechanism...

Fulton Products Lock-Easy Access L Couper 580409Rotating lock housing provides easy key access. These locks fit around the coupler making it impossible to hitch to anyone's vehicle. Covered key slot helps prevent dust and corrosion in the locking...

Fulton Products Lock-Stainless Steel Coupler 580408Stainless steel constructionCorrosion resistantUse on hitched and unhitched trailersIncludes 2 keys

Fulton Products Receiver Lock 1/2 63224Bent shankCorrosion resistant chrome platingCast aluminum lock housingDust cap keeps tumblers clean of debrisIncludes 2 keys

Fulton Products Receiver Lock 5/8 63223Bent shankCorrosion resistant chrome platingCast aluminum lock housingDust cap keeps tumblers clean of debrisIncludes 2 keys

Fulton Products Receiver Lock Bent Pin 63248Includes extra pin to allow lock to be used on 2" x 2" and 1-1/4" x 1-1/4" receiversCorrosion resistantDust cap keeps tumblers clean of debrisIncludes 2 keys

Sea-Dog Line Brass Plated Zinc Coupler Lock 751030-1Two piece. Zinc brass plated.