The speaker isolation feet are finely sandblasted and anodized. All aluminum alloy CNC processing. The speaker isolation feet are a fine piece of art, well constructed and have a very nice finish, these have a nice flat surface to rest on the device and have a nice rubber ring on the bottom of the feet Aluminum speaker isolation feet suitable for turntable DACs, chassis, computer cases, sound bars, subwoofer speakers, laser projectors, audio component racks, desktop computer cases, audio amplifiers, espresso machines [Speaker Isolation Feet Acoustic Effect]These types of speaker isolation feet are suitable for non-resonant vibration type equipment. Isolators significantly reduce vibration. They better acoustically isolate the speakers from the floor. These isolators are suitable for any audio use! The isolator provides very good stability to the turntable. Turntable Platform - Feet prevent speakers from vibrating, protecting your furniture and floors from damage. Speaker Supply - The shock-absorbing effect is significant, which can improve the overall sound quality of the speaker. Speaker Stands - Turntable platforms are great for music lovers who want to improve their listening experience. Amplifier Pads - Aluminum alloy material is lightweight ensuring the feet will last for many years. Turntable Stand - Speaker pads are easy to install and work with a variety of speaker makes and models. Colour:Silver Material:Aluminum alloy Package Contents: 1 set x speaker shock absorber pads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.