PERFECT FIT: Standard 3.5" brass sink drain fits most kitchen openings. Exterior: 4.5" diameter x 2.5" height. Designed for SQRB-7 Brightwork Collection sink and other 3.5" kitchen sink drain openings. NOT COMPATIBLE WITH GARBAGE DISPOSALS OR THICK SINKS (LIKE FIRECLAY). PREMIUM CONSTRUCTION: Solid unlacquered kitchen sink drain assembly develops rich patina while the gold sink drain maintains perfect function and durability. COMPLETE PACKAGE: Kitchen sink drain kit includes everything for quick installation. Basket strainer efficiently collects food debris, making this gold drain for sink practical. EASY MAINTENANCE: Brass sink drain features removable strainer for effortless cleaning. Simply lift to remove debris, ensuring your kitchen drain remains free-flowing. ELEGANT APPEARANCE: Unlacquered sink drain kit delivers timeless appeal with warm finish. This gold kitchen sink drain adds a sophisticated touch to any design style.