***** Best Quality Guranteed. *****1/2" and 5/8" HITCH PIN LOCK SET RECOMMENDED FOR - all 1-1/4", 2 inch trailer hitch and 2-1/2" trailer receiver lock. Trailer Lock Set with Extended shaft of 3-1/2" also fits Toyota Tundra, Ford F-150/F-250/F-350, GMC/Chevy 2500/3500 and Dodge trucks with heavy-duty tow packages. *****SET OF TWO LOCKING TRAILER HITCH PIN INCLUDES: 2 x extra-long truck hitch lock 1/2 and 5/8, one safety clip, two keys per trailer hitch lock pin (one for use, another as spare) and an all-weather rubber key slot cap. Can also be used as bike rack hitch lock *** For a perfect fit of the tow hitch lock pin, please verify all dimensions of your hitch before purchase *****TOW HITCH LOCK with INNOVATIVE DESIGN - Extra Safety Clip & Hole in each hitch lock pin for towing when locking system is lost or damaged. Locking pin for trailer hitch with 5 silicone O-rings for a perfect fit. Extra-long hitch receiver lock pins work with all class I, II, III, IV, V receivers.