Need Tools: KINGSTON HERIBERTO R B INSTALLATION INSTRUCTIONS Sink Drain with or without Overflow Basin Wrench Adjustable Wrench Teflon Tape Silicone Sealant Screwdriver INSTALLATION: 1. Remove the flange {2}, stopper (1) and rubber (3) from the drain body (7). 2. Tum the lock nut {6} downward to the lower position of drain body {7), also push plastic washer{5} and rubber gasket (4} downward. 3. Insert drain body (7) upwardly with parts through the drain opening from the underside of the sink. 4.