Delta DF575 Toilet Bath Safety Bar Toilet safety arms feature a 1" tube diameter for an easy grip and two textured gripping surfaces on each side of the toilet seat, 9.55" from the base Leverage, support and stability for up to 250 pounds, mounted directly into the commode Arm dimensions are 23.01" x 9.55" Frame is constructed with fluted aluminum extrusion for better gripping, cross-over support and brackets are cold rolled steel, arm caps are crafted of blow molded polyethylene and all metal component surfaces are powder coated in white Includes assembly hardware and instruction sheets, assembles in minutes, and only requires a standard Philips-head screwdriver (not included)