Stepping in and out of a slippery bath tub can be dangerous and scary. This sturdy bathtub safety rail adjusts in height from 14 1/2" to 17" to provide support and safety. It clamps to the side of tubs with 3" to 7" wide walls, and locks in place without tools– simply turn the safety knob. The strong steel frame supports up to 300 pounds and has a slip-resistant rubber handle. Not for use on fiberglass tubs. Steel and rubber. Approx. 8 3/4"L x 6 3/4"W x 22"H.