Speaker Isolation Feet Hi-End Black Carbon Fiber Speaker Isolation 40x15mm 25x5mm 30X10mm 50X20mm Base Pad Shoe Feet Hifi Audio Amp Cone Speaker Pad - 44 Amplifier Shock Absorber Pads Rubber ring is detachable. 4PCS Audio Isolation Feet Pad 40x10mm CNC Machined... – Grandado Specifiction:Material: Aluminium alloyDiameter: 40mmHeight: 15mmScrew hole diameter: 5mmSurface treatment: Anodizing sand blastingColor: BlackPackage size: approx., 10 * 10 * 2., 5 cm/ 3., 9 * 3., 9 * 1., 0 inPackage weight: 222g/ 7., 8ozPackage List:4 * Amplifier Feet Made of aluminium alloy, which makes these amplifier feet durable, fadeless and hard to oxidize. To raise the height of amplifier to help create a real stereo surrounding sound High quality material enables these 4 pieces of feet to work for a long time. 4pcs Speaker Shoes Ceramic Beads Steel Ball Scroll speaker stands Anti-shock Absorber amplifier feet Nail Pad Vibration Base - 44 To raise the height of amplifier to help create a real stereo surrounding sound.