Rated up to 600 lbs. in drywall with tile. The RES incorporates the World's Strongest Fastener Technology, to allow for quick installation of WingIts Grab Bars. Cost effective, the RES is fire retardant and installs completely waterproof in New and Existing construction. The RES is used extensively in Commercial, Institutional and Residential Grab Bar Installations. No blocking or Wall Studs Required. Average time to install a Grab Bar is less than 10-minutes. Fire-Retardant and Waterproof. Compatible with WingIts Grab Bars. When installing the RES into Ceramic Wall Tile, Plaster or Marble, use the Apache200 drill technology for quick, precise holes. 3/4 in. Holes Required. No caulk needed - self waterproofing. Designed for 2 in. x 3 or larger hollow walls and wall substrates from 5/8 in - 1.2 in. thick. Exceeds all Building Codes and ADA Guidelines. Installs 1 WingIts Grab Bar.