Sea Dog Electrogalvanized Coupler Lock Pin Sea-Dog 14 Inch Trailer Coupler Locking Pin is designed to keep the trailer coupler locked onto the trailer ball during transport. Constructed of electro-galvanized steel for extreme durability and corrosion resistance. Bar fits through coupler release handle. Part Number A B C D E 751010-1 14 3 1-1316 716 1316 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Trailer Accessories Product MPN