ITEM NAME:1/2" Ceramic Tap Cartridges Disc Quarter Turn Valves Replacement Hot Cold S C3Y2 1/2" Ceramic Tap Cartridges Disc Quarter Turn Valves Replacement Hot Cold S C3Y2 BSP 1/2" thread Rubber O ring at the bottom The discs are made of brass and ceramic Both discs are suitable for both hot and cold water Will fit most double handles kitchen and bathroom basin taps Specification: Total height:45mm Width:23mm Waist to base distance:24mm Spline diameter:8.2mm Number of teeth on spline:20 Base diameter:18mm Waist diameter:23mm Turn onï ¼Å¡Counterclockwise Turn offï ¼Å¡clockwise Features: 20 teeth on spline which is also drilled and threaded to fit for a 4mm screw Red colour rubber disc valve is turning clockwise for tap on and,turning anti-clockwise for tap off.This valve with red rubber O ring is usually used on the right hand side Blue colour rubber disc valve is turning anti-clockwise for tap on and,turning clockwise for tap off.This valve with blue rubber O ring is usually used on the left hand side. material: metal colour:ï ¼Å¸Asï ¼Å¸Shown Package Included: 1 x 1/2" BSP Brass Ceramic Disc valve left side 1 x 1/2" BSP Brass Ceramic Disc valve right side.Red colour rubber disc valve is turning clockwise for tap on and,turning anti-clockwise for tap off.This valve with red rubber O ring is usually used on the right hand side. Blue colour rubber disc valve is turning anti-clockwise for tap on and,turning clockwise for tap off.This valve with blue rubber O ring is usually used on the left hand side.