> Body and shaft made of solid brass. 20 teeth on the serration (top of the shaft) for the handle, drilled with an M4 drill. Thread size G 1/2; . Clockwise (blue) and counterclockwise (red) to open the faucet. Rubber O-ring on the bottom, with threaded collar. Suitable for basin faucets in bathrooms, kitchens, etc. Suitable for cold and hot water. Materials: Made of brass and ceramic, sturdy and durable. Works perfectly, no more leaky faucets, can be used for a long time. Easy to use: The red faucet valve is turned clockwise to open the faucet, counterclockwise to close the faucet, and the blue cartridge is opposite the red one. Application: Suitable for cold and hot water, fits most double handles, suitable for basin faucets in bathrooms, kitchens, etc. Package quantity: 2 pieces Note: The data is all measured manually. Please allow an error of 1 to 3 cm.