●Updated for smoother turning ●The mounting hardware is round and the handle cover is easy to put on ●Compatible handle grip diameter: 1.1 - 1.3 inches (28.5 - 32 mm) Φ *Please adjust the included rubber gasket if it is too large for installation ●Grip part: Diameter approx. 1.6 inches (40 mm) x Height approx. 2.2 inches (55 mm) ●Handle Material: Resin