Made of brass (top part) and stainless steel (tube part), ensure long service life and resist corrosion and rust. With overflow hole, this drain is applicable to the basin with overflow hole, once the water is too full in the basin, it can be discharged into the drain. Outlet valve thread: 1 1/4; thread diameter: 41mm; tube diameter:31.5mm; tube length: 110mm. Very easy to use. You press the drain to store water in the sink, and press again to open it and drain the water. Essential for kitchen and bathroom, such as sink, washbasin, basin, bathtub, and any other sanitary plumbing. Color:Black - Size:With Overflow Convenience and Hygiene for the Bathroom Features: Material: brass, stainless steel Color: black Overflow hole: YES Overall dimensions: 220 x 70 x 68 mm Tube size: diameter 31.5 mm (1 1/4 ") Package Content: 1x Drain drainYeuri Durable solid brass construction, brushed nickel finish. Superior finish is corrosion and rust resistant. Good bounce and bounce resistance, quickly seals and drains water with just one press. Brass Basin Drain with standard G 1 BSPP connection, very easy to install. Perfect design and matches most bathroom sinks / commercial vessels. While brushing and washing, people start their day in the bathroom every morning.