The Premium SecureLockTM Tub Grip features an exclusive locking mechanism that provides superior stability for safe transfer. The ergonomic handle provides optimal support and comfort while the tool-free design allows for easy attachment and removal. New SecureLockTM Tub Grip locks easily and securely for safe transfer into the tub. Large rubber pads clamp tightly and eliminate movement. 350 pound weight capacity. Ergonomic handle with anti-slip grip. Attaches and removes easily. Fits most tubs and won't harm tub surface. Adjustable width (2.75 in. to 5.5 in. ). Stable, comfortable grip at two heights - 12.5 in. at top of grip and 7.87 in. at inside bottom of grip. This rail is ideal for use on fiberglass tubs.