Wherever you go, Master Lock protects you. Protect your boat, camper, or ATV with a Master Lock trailer hitch lock.
Sealed and capped for peak performance in all weather.
Protect what you're pulling. Check out Master Lock's line of products that secure your boat, trailer, camper, or whatever else you tow.
Everything you need to secure your trailer to your truck.
1-3/16in (30mm) Wide Covered Solid Body Padlock; 4-Pack
1-9/16in (40mm) Wide Covered Solid Body Padlock
1-9/16in (40mm) Wide Covered Solid Body Padlock with 1-1/2in (38mm) Shackle
5/8in (16mm) Stainless Steel Barbell™ Extended Length Receiver Lock
1-7/8in (48mm) Wide Combination Dial Padlock; 2-Pack
1-7/8in (48mm) Wide Combination Dial Padlock with Aluminum Cover; Assorted Colors
2in (51mm) Wide Set Your Own Combination Solid Body Padlock; Black
Folding Door Security Bar
9/16in (14mm) to 2-3/4in (70mm) Long Adjustable Stainless Steel Trailer Coupler Latch Lock
1/2in (13mm) and 5/8in (16mm) Swivel Head™ Receiver Lock with Stainless Steel Adjustable Coupler Latch Lock
1/2in (13mm) and 5/8in (16mm) Swivel Head™ Receiver Lock
Universal Trailer Coupler Lock
Set-your-own combination instructions, combination reset, lost combination help
Replace keys, replace locks, key duplication
Lock maintenance, warranty information, part replacements
Combination charts, lock service, lock replacements
Bluetooth locks & lock boxes, padlock service
Adding & removing users, app support, lock settings
Replacement parts, commercial door lock service, residential hardware support
