Are you shopping for a rapid mount (3-screw mount) kitchen sink basket strainer with a spring lock post? These Rapid Ring units feature patented Pre-Formed Plumber's Putty Rings that allow for mess-free, quick and easy installations. These basket strainer assemblies fit kitchen sink drain openings that measure up to 1 inch thick, by 3-1/2 to 4 inches in diameter. Ready-to-install basket strainer assemblies like these are used in both new installations, and to replace worn or damaged kitchen sink strainers with matching dimensions. These basket strainers are constructed of plastic housings and come in a chrome finish. Each assembly includes a Pre-Formed Plumber's Putty Ring designed for cleaner, quicker and easier installs. Purchasing sealing (plumber's) putty is no longer necessary. Each of these units are a component of Rapid Repair Plumbing Solutions program that offers innovative packaging and installation-ready assemblies requiring less steps to complete. These strainer baskets with spring lock posts feature universal fittings for design compatibility with other manufacturers. Each assembly includes a 3-screw galvanized steel rapid-mount assembly, a rubber washer, a poly washer, and a Rapid Ring Pre-Formed Plumber's Putty Ring. All parts are wrapped in tight hermetically sealed packaging to prevent premature curing of Pre-Formed Putty Rings. Order yours today.