It is an insulator made from a mass of magnesium. Of course, it is effective for setting speakers with strong vibrations, as well as devices such as CD players and amplifiers. The exterior has peeling paint, and there is a feeling of use such as small scratches and threads (Mizusaki Ryo)
Accessories: none
Main specifications: pure magnesium extruded material 99.99% diameter 78mm height 26mm weight 220g