Westbrass Wing Nut Style Large Kitchen Basket Strainer with InSinkErator Style Disposal Flange and Stopper, Antique Copper, D2155-11 Large wing nut style kitchen sink basket strainer Fits 3-1/2 in. sink openings, 4-3/8 in. rim diameter 2-9/16 in. tall basket strainer 1-5/8 in. deep disposal collar Turn wing nut to restrict draining Large   wing nut style kitchen sink basket strainer Fits   3-1/2 in. sink openings, 4-3/8 in. rim diameter 2-9/16   in. tall basket strainer 1-5/8   in. deep disposal collar Turn   wing nut to restrict draining Solid   brass construction Do not   use plumber&#039;s putty for installation use silicone seal