This chrome-plated click-clack valve has a Ø37mm chromed big plug. It has an anti-scale click-clack system. It is completely made of brass. It also has a brass locking mechanism with a stainless steel spring. This is a universal valve as it can be adjusted to all basins with and without overflow pipe. Max. adjustable height body: 70mm. It has a 1" 1/4 thread.