. Also included are: color-matched silicone caulk; copper wax/cleaner; a kitchen sink basket strainer; a garbage disposal drain (with basket strainer); a solid brass soap/lotion dispenser; a single-hole goose-neck kitchen faucet (with a single lever handle and extendable spout), made from brass with a matching bronze finish. Standard 3.5-inch drain connections let you add this into nearly any standard US plumbing assembly. Premier Copper Products Based in Phoenix, Ariz, Premier Copper Products imports individually hand-crafted artisan copper products from Mexico. Competitively priced and environmentally sound, this unique line of sinks and accessories includes a full range of drain selections and specially made silicone caulk that?s color-matched and nonreactive, and every product meets rigorous quality-control standards.