1 Easy Installation, Non Corrosive, Economical, Durable 2 20 Teeth in Spindle Nurling with Socket thread size: 1/2" 3 It is Suitable for Hot and Cold Quarter Turn Faucet/Valve/Taps of Bathroom/Kitchen, Angel Cock, Commercial Faucet Application 4 It is suggested to check size and dimensions in image before placing an order to check compatibility