Photo ledge installation ‘This kit includes: One (1) ledge Two (2) screws 1. Use the ledge as a guide, put it against the wall at the desired Two (2) plugs mounting location, and mark out the locations where the holes on Two (2) sticker the backside of ledge meet the wall. Please make sure the ledge is level when marking out the holes. Tools suggested for this installation (not included in this package) : Power drill, 3/8" drill bit, Phillips screwdriver, level Assembly time . 2.