Woodford® Stem Lock, For Use With: Model 14, 16, 17, 19, 22, V22 and 30 Wall Hydrant
Stem Locks converts most Woodford wall faucets and wall hydrants into vandal resistant, tee key operated units. Simply remove the handle and packing nut and install the deep locking nut then snap on the cylinder lock. The faucet is now locked and secure. Use key to unlock and use the Tee Key to operate faucet.