Fastway MAXIMUM SECURITY UNIVERSAL COUPLER LOCK!
You know, a lock works best if it keeps a would be thief from even considering stealing your stuff. It has to Look impossible to break! A thief will take one look at this massive assembly and wont even try! It LooksSecure from 20 feet away!
This is one of the toughest locks available. Round "coke machine" type key, ONE INCH THICK base and a 5/8" thick bar across the top (ain't no bolt cutter gonna snap this one!) I have cut my share of locks off, (I am a trailer dealer, and have lost a few keys) and let me tell you, this one is gonna take some work to get off with out a key!
This truly universal coupler lock fits most existing straight tongue and A-frame couplers, sized 1-7/8", 2", and 2-5/16". Strong construction includes a die-cast aluminum body, chrome plated 5/8" hardened steel shackle and pick resistant lock cylinder. This is the same size as the pin on your receiver hitch, only super hardened! Show me a pair of bolt cutters that will even slice through the hitch pin on your truck!
Also, this is a truly universal coupler lock
Works On All Trailer Couplers (except 5th Wheel and Gooseneck Trailers) For 1 7/8", 2" and 2 5/16" Balls
Fits any coupler up to 4-1/2 inched wide
Corrosion Resistant Solid Die-Cast Housing
High Security Pick Resistant Lock Cylinder with 5/8" Hardened Steel Shackle