Product information:

Material: Aluminum Alloy
Color: Black, Gold, Silver, 3 colors available
Surface treatment: Anodizing, fine sandblasting, no fading!
CNC turning Screws: M4, with screws (M4*16MM).
Diameter: 40mm
Height: 20mm
Installation aperture: 4.5mm

Features:

It can be installed from the inside of the chassis, or it can be installed from the outside of the chassis with self-tapping screws (screws need to be provided by yourself)
The side car has 2 thin grooves, which are all high-end and can effectively improve the visual effect of your machine. It is suitable for CD DVD players, tube amplifiers, speakers, audio and so on. The material is 7075 aviation all-aluminum alloy, sandblasting process! The rubber shock absorber is directly embedded in the ring, without glue, practical and reliable

Packing list:

Shock pad*1 or shock pad*4