Need Tools: KINGSTON BITCH GR Ba INSTALLATION INSTRUCTIONS Sink Drain with or without Overflow Adjustable Wrench Teflon Tape Silicone Sealant Screwdriver INSTALLATION: 1 2, Remove the tailpiece (5), lock nut (4), washer (3) and rubber gasket (2) from the drain body (1). Apply a small bead of silicone caulking {Do not use plumbers putty} around the drain opening of sink or the underside of the flange of drain body (1). Insert drain body (1) downward into the drain opening of sink.