Bradley Doublelock Lockit 1-2 Trailer Coupling Lock ALKO Lockit 1 – 2 locks are designed for use with Bradley Doublelock D201, HU3 and HU12 trailer couplings The kit includes 4 keys & keyring The Lockit 1-2 is designed to be used when being towed or stationary, the Bradley Doublelock Lockit 1-2 high security barrel lock is designed to keep both your trailer and your cargo safe from theft. The barrel shaped lock fits into any Bradley coupling heads with a 19mm or 3/4″ diameter hole cast in the side of the coupling
