2pcs Ceramic Faucet Cartridge 1/4 Turn 20 Serration Faucet Valve Replacement Shower Bathtub Faucet with Washers Faucet Fittings Gaskets Repair Kit

Quantity Package includes 2 sets of 1/4 turn 20 spline tapping bushings. There is a clockwise valve and an anti-clockwise opening total height is approximately 50mm bottom diameter is 18mm. . Sophisticated design: The threaded cartridges have 20 teeth on the keyway and are drilled and tapped for a 4mm screw the rubber O-ring on the bottom has a threaded collar.