$50 · Kingpin lock for semitrailer

made of aluminum, locks onto semitrailer kingpin. cable with reflective tape hangs down so you can tell if the lock is installed. insert & turn key to remove key cylinder from oval shaped hole. then insert allen wrench to unscrew pin that holds unit onto kingpin. fairly heavy and well made. has been modified from original to take common key cylinder. great for a storage trailer and prevents a truck tractor from hooking up to the semitrailer. dirty and lots of grease. pickup near uptown mall.