Product Description:Clockwise open one: Turning clockwise for tap on, turning anti-clockwise for tap off. Usually used on the left hand side for hot water tap.Anti-clockwise open one: Turning anti-clockwise for tap on, turning clockwise for tap off. Usually used on the right hand side for cold water tap.Rubber o ring at the bottom, prevents the faucet from leaking, with threaded collar.Suitable for replacement tap valves of cold and hot water in bathroom, kitchen, etc.Please check the dimensions carefully in the photo before purchasing to ensure it will be compatible with your tap.Specification:Material: Brass, CeramicsHeight: 51mmDiameter:24mm(Please check the picture for detailed size)Spline Diameter: 7.6mmTeeth on Spline: 20 TeethBSP 1/2" threadMaximum voltage: 3.5 (KpA)High service temperature: 90 ℃Rubber O ring at the bottomWarmly Tips:1. Please check the dimensions carefully before ordering to ensure compatibility with your model.2. Determine whether the opening direction is clockwise or counterclockwise.