1, Grate bathroom toilet support: T-shaped handicap rails is mounts to wall and floor design, to help user keep balance in the bathroom. 2, Easy to install: It comes with mounting screws and plastic expansions together, makes it easily anchored into the floor and wall. Warm reminder: in order to support the maximum weight limit, grab bars must be anchored to solid walls. 3, Installation steps:Confirm the installation height, then mark the punch position. Use electric drill to punch holes you mark. Put plastic anchors into hole with hammer. Finally you tighten screws with a screwdriver, then put metal lid on the base