Product Detail: Heavy-gauge, welded steel construction. Clamp holds firmly to tub wall without marring tub surface. Provides two gripping surfaces to facilitate both entry and exit from tub. Color: White. Fits tubs with walls 2 "" - 6 "" thick. Total height: 20"" Tub wall to top: 15 1/4"" Pad: 3"" x 6 1/4"" Not recommended for use with fiber glass tubs. Tool-free installation. 250 lb maximum weight capacity. Lifetime limited warranty. Graham-Field has been supplying the healthcare market with one of the broadest selections of high quality healthcare products and services. All of their products have been designed with a single objective - to enhance the quality of life of the people that use their products and their caregivers.their brands, such as Everest & Jennings and LaBac, Lumex, Labtron, Grafco, Smith & Davis and Simmons-offer the quality and value you've come to trust.