The Guardian Deluxe Tub Grab Bar is a bi-level handgrip for maximum flexibility and safety; it has a clamp design that includes stainless steel components, so it stays secure after repeated use. This unique grab bar also has a patented, step-through design that provides an unobstructed entry/exit path for better hand positioning as well as tool-free installation with rubber-lined pads that won't mar the tub's surface, and it adjusts to fit tubs 2.75- 6.25 inches (7-16 centimeters) thick.