Ceramic Disc Head, Pair of Universal Replacement Ceramic Cartridges for Faucets, 1/2" Quarter Turn 20 Notches x 51 mm

Solid brass body and stem. The handle spline (top of the shaft) has 20 teeth and is drilled with an M4 drill bit. Thread size G 1/2 Opens the valve clockwise (blue) and counterclockwise (red). Lower rubber O-ring with threaded ring. Sink faucets in bathrooms, kitchens, etc. Suitable for hot and cold water.