1. This pop-up drain is suitable for washbasin and basin with overflow, quick water drainage, prevents overflow. 2. Stainless steel material and copper plug, anti-corrosion and durable, lead-free. 3. Matte black finish, super scratch and dirt resistant, never fade and always stay as new. 4. Easy to use, with automatic drain system and one-touch operation for water storage and drainage. 5. Pop-up tested at least 100 thousand times, designed for long life of use. 6. Thick sealing washer, well avoid water leakage caused by the deformation of the basin hole. 7. Easy and quick assembly and maintenance, no need for installation tools, removable and anti-clogging filter, ideal for renovation. Specifications: Material: Brass and stainless steel Finish: Matte black Product type: Pop-up Installation type: built-in Drain type: Manual Drain: G1"1/4 Sink hole: Ø44-46mm Table thickness: Max 38mm Scope of delivery: 2 x Pop-up sink drain