4pcs 40x20mm Aluminum HIFI AMP Speaker Isolation Stand Turntable DAC Feet Pad Feature: 1.CNC Machined2.With removable non-slip rubber ring3.Suitable for speaker、 amplifier、 instrument、 equipment、 turntable、 CD DVD player、 DAC etc. Specification: 1.Material: Solid aluminum2.Color: Black anodized、sand blasting3.Diameter: 40mm4.Height: 20mm5.Mounting screw hole diameter: 4.5mm6.Color: Black、 Silver、 Gold Package Included: 4x Aluminum HIFI AMP Speaker Isolation Stand