Feature: 1. REDUCED VIBRATION AND RESONANCE: HiFi speaker shock absorber pads absorb up to 94% of vibrations and resonances, providing an effective solution for optimizing the true sound of stereo equipment. 2. STAINLESS STEEL BEADS: The "upper" layer of the stainless steel bead cone receives vibrations from all directions of the equipment and can be diffused radially through the stainless steel beads to the lower layer. 3. CNC MACHINED DESIGN: HiFi speaker isolation feet pad is CNC machined to make it easy to install, eliminating the need to punch holes or use double sided tape to avoid damaging your equipment. 4. NON SLIP RUBBER: CThe non slip rubber on the isolation feet helps absorb vibrations for clearer listening pleasure, improving sound clarity, stereo imaging and bass response. 5. ALUMINUM ALLOY: HiFi speaker isolation feet shock absorber pads are made of aluminum alloy material, durable, colorfast and resistant to oxidation, ensuring long term use without loss of quality. 6. MULTI DEVICE COMPATIBLE: Speaker isolation base pads can be used with speakers, amplifiers, musical instruments, turntables, CD DVD players, tape recorders, DACs and other devices for a better effect listening experience. Specification: Item Type: HiFi Speaker Isolation Feet Shock Absorber Pads Model: IF4023B IF4023S IF4023G Material: Aluminum Alloy Product Size: Approx. 39 x 24mm / 1.54 x 0.94in Accepted Weight: 200kg / 440.9lb (4 Pieces) Surface Treatment: CNC Finishing, Anodizing Screw Specification: M8. Package List: 4 x HiFi Speaker Isolation Feet Shock Absorber Pads4 x Screws8 x Anti Slip Mat Note: Please allow some error due to manual measurement.