Bulldog Style Coupler Locks

The Fastway® FORTRESS™ helps keep your trailer secure. It is the toughest coupler lock available, made from the highest corrosion resistant material and fits virtually every coupler style.

Part Number: TRP170 The TRP170 is a stainless steel 70mm round pad lock with a 10mm shackle. Features an exclusive armor plated key core for added security. The TRP170 is great for sheds, fences, s

Total Encasement Lock for 2 5/16" Bulldog-style Couplers. Protects your unattended trailer with strong 5/8" steel pin that extends to top of hitch ball hole. Heavy duty aircraft aluminum will not ru

Total Encasement Lock for 2" Bulldog-style Couplers. Protects your unattended trailer with strong 5/8" steel pin that extends to top of hitch ball hole. Heavy duty aircraft aluminum will not rust, a

Tow Ready Universal Trailer Coupler Lock

Blaylock Trailer Lock Model TL-20 fits all HammerBlow Collar-Lok Bulldog style 1 7/8-inch, 2 inch, and 2 5/16-inch trailer couplers and similar styles. Place slanted side toward front of coupler (mark