A cylindrical magnesium insulator with unknown details. It has an unobtrusive sound and is effective under an amplifier or CD player. A rubber sheet is attached to the bottom, and a feeling of use can be seen on the exterior, such as dullness, scratches, marks, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: W40 x H14 mm 34.7 g (actual measurement)