The Moen SecureLock Tub Grip, model DN7175, is a grab bar for bathtub designed for use by individuals with balance, lower extremity, or mobility disabilities. This portable unit fits over most tubs and locks with the Securelock mechanism. The tub walls are protected by non-skid pads. The circular handle/grab area is textured for a secure grip. DIMENSIONS: The unit fits tub walls 2.75 to 5.5 inches thick. The grip height is 12 inches. CAPACITY: 350 pounds. WEIGHT: 6 pounds. WARRANTY: Limited lifetime warranty.