If you drive a truck, haul gear or pull a trailer, then the BOLT Coupler Pin Lock is for you. The BOLTCoupler Pin Lock opens with your vehicle ignition key. Simply insert your key, turn it once and your key is memorized. Learn more about BOLT Locks at boltlock.com
Other features:
-Fits couplers from 1/2" to 3 3/8" and any size in between
-1/8" incremental adjustments allows for a snug fit
-Stainless Steel Pin
-Lock slides back and forth along pin for ease of use
-Weatherproof
-Plate tumbler sidebar to prevent picking and bumping
-Stainless steel lock shutter to keep out dirt and moisture
-Limited lifetime warranty