Features: Double purpose,easy to install for different kind of equipment widely used . According to need use of screw or remove screw, place on bottom of appropriate equipment . Both side of rubber feet pads top bottom are affixed with slip resistant rubber pads, vibration and slip resistant，can also protect contact surfaces not easy to scratch . Shock absorption excellent craftsmanship details presented using two layers of aluminium shims, shock absorption / shock absorption effect . Use method 1: can be used in flat bottom equipment with screw removed. . Use method 2: can be used in M-8 screw holes for speakers and case brackets . Specifications: Component: Aluminum Size：about S 4x4x4.45cm/1.57x1.57x1.75in L 4.95x4.95x5cm/1.95x1.95x1.97in Color: Silver/Black/Golden Package Includes: 1PC Aluminum Pad note: Due to the problemsof lighting effects there will be tolerances in product, please understand. Please allow 0-1cm error due to manual measurment