This heavy-duty hydraulic surge brake actuator is engineered for reliable trailer braking performance. The robust zinc-plated steel construction offers excellent durability and corrosion resistance. With precise dimensions of 18-1/4 inches in length and 5-1/2 inches in height, this actuator features a secure mounting system with pre-drilled holes spaced at 3 inches and 1-5/16 inches. The integrated safety cable and hook ensure protection. Perfect for boat trailers, equipment haulers, and other heavy-duty applications where dependable brake activation is crucial. The unit's solid construction and thoughtful design make it an essential component for safe towing operations. 3" Rigid Hitch Logo decal included. This product fits onto 3" frames.