Fits most double handles kitchen 2Pcs Replacement Tap Cartridge Valve

Usually with blue o ring at the bottom, the tap is turned on clockwise. Usually with red o ring at the bottom, the tap is turned on anti-clockwise. Tooth on curve: 20 Teeth. 5pc Cobalt M35 HSS Countersink Bits, 82° 5-Flute Chamfer Tool Set 1/4"-3/4".

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