Product DescriptionThis washbasin drain is not only suitable for families but also for various bathrooms and toilets such as restaurants, bars and hotels. Quality material and easy to install, assembly and disassembly in a few seconds without the need for special tools. Perfectly waterproof and compatible with 100 percent sink, does not leak. Very nice and practical. Specification: Material:Stainless steel and brass LengthLength 78mm or 3.1inch,Width 40mm or 11 or 4 inch Installation Size:G 11 or 4 Sealing Material: Silicone Overflow :No Overflow Sink Drain is made of solid brass, long-lasting quality and durability. Solid brass compression spring that has good kickback and kickback resistance, seals water quickly and lets it drain with a single pressure. Washbasin drain with 3 high-quality sealing silicone seals, soft and durable, with superior sealing performance to prevent spillage.