Made of brass (top part) and stainless steel (tube part), ensure long life and resists corrosion and rust. With overflow hole, This drain is applicable to the basin with the overflow hole, once the water is too full in the sink, it can be discharged into the sewer. Outlet valve thread: 1 1/4; thread diameter: 41mm; tube diameter: 31.5mm; tube length: 110 mm. Very easy to use. You press the plug to store water in the sink, and press again to open it and drain the water. Essential for the kitchen and bathroom, such as the sink, washbasin, basin, bathtub, and all other sanitary plumbing. Color:Black - Size:With Overflow Commodity and Hygiene for the Bathroom Bath Features: Material: brass, stainless steel Color: black Overflow hole: YES Total dimensions: 220 x 70 x 68mm Tube size: diameter 31.5mm (1 1/4") Package content: 1x dump getveryrich