KES Bathroom Sink Drain Without Overflow Pop Up Sink Drain Stopper Brushed Nickel Finish, All Metal Rustproof Brass and 304 Stainless Steel, S2008D-BN Product details Material Stainless Steel, Brass Brand KES Color Brushed Nickel Item Dimensions LxWxH 8.8 x 2.9 x 2.9 inches Durable Solid Metal Construction: Composed of explosion-proof, crack-resistant and thickened brass and type 304 premium grade stainless steel, our sink drain is an integrated body with a 0.4mm thickness pipe wall to avoid water leakage when tightening. All-Metal Rustproof: The pop-up drain is made of brass and 304 stainless steel without any plastic parts. High-quality finish ensures that the drain resists scratches, corrosion and tarnishing, which is rustproof and durable for 10 years or more. Multiple Anti-leakage Design: The high-quality thickened silicone gaskets included fit the drain better and are anti-oxidation. With the 3-piece sealing ring design, KES vessel sink drain prevents water leakage more effectively. Dimension: Overall length of the sink drain: 8.5". Diameter of the pop-up stopper: 2.6". Diameter of the tailpiece nut: 1.3". Non-overflow Drain Assembly: This drain fits most vessel or undermount sinks with NO overflow. Drain Hole Diameter: 1.6-inch to 1.9-inch. The maximum sink thickness is 1.97-inch. Shelf: 2