Repair your leaky faucet with this Ace Stem Extension for Valley Faucets. Sometimes the shower valve faucet depth of the rough is incorrect due to a very thick wall. In these instance you will need shower stem extensions to make up the difference. This stem extension provides additional length for tub/shower stems. It is compatible with cold water applications. Fits Valley Stems ID 3Z-6CFor tub/shower faucetsFor cold water applications