Lock for brake actuator fits lever-style couplers requiring a 1/4in. dia. pin with a 3 3/8in. span. For use with Item# 128201. From the manufacturers of the original Deadbolt lock for hitches and trailers. Lock is double nickel chrome-plated for maximum corrosion protection. Features a patented, rugged, pick-proof screw-and-lock mechanism for total security. Easy key insertion and removal. Covered key opening and nonslip pin grip. U.S.A. 1-year limited warranty.