Ech INSTALLATION INSTRUCTIONS For Use With KB's Retail Pop-Up Need Tools: Basin Wrench ~~ Adjustable Wrench ~~ Teflon Tape Silicone Sealant ~~ Screwdriver INSTALLATION: . Remove the flange(2), plug(1), rubber washer(5), Iocknut(6) from the drain body(8). Put rubber gasket) back onto the flange(2), make sure the taper surface of rubber gasket) is facing down. Then insert the flange in to the drain opening of the sink and its thread snd comes out and exposed beneath the sink.