Chrome Metal Single Lever Wash Basin Mixer Tap Non Microswitched. For use with pressurised systems only. Tap Base Diameter: 46mm. Tap tail fittings are 37cm with 1/2"" Female BSP connectors. Needs 2 x WU1214 1/2? BSP to 12mm Connectors to use 12mm Semi Rigid Pipe. Overall length of tap is 154mm, spout length is 105mm