Tokyo Soundproof Insulator Set of 4 The sound quality is tuned in a stiff and clear direction. Please also use it as an anti-vibration measure. There is a feeling of use on the exterior due to dullness, abrasions, etc. (Jun Tamai)
Accessories: original box
Main specifications: diameter 40φ×24φ×height 11mm (for 4 mm diameter holes) weight 8g non-repulsive rubber (honeycomb)