See Downloads Tab above for ASI 8203 technical data sheet (.pdf)Compact Rectangular Phenolic Fold-up Shower Seat has all metal parts fabricated of 18-8 alloy type 304 stainless steel. Seat frame and support legs is 1" (25mm) dia. and 1-1/4" (32mm) square x 18 gauge (1.2mm) with 3/16" (4.8mm) thick mounting flanges and 16 gauge (1.5mm) guide bracket/arm support. All exposed surfaces are No 4 satin finish. Structural assembly is welded construction and all exposed edges and corners be radiused and/or debarred. Seat is 5/16" (8mm) thick solid phenolic with ivory color top and bottom surfaces and has black edges. Support arm folds up when in retracted position to provide low profile against wall. No extra fittings are required to retain seat in storage position. Guide bracket controls seat lowering into operating position. Unit satisfies ADA Accessibility Guidelines when mounted properly.