※There are only 2 spikes. It is a highly effective insulator that is made of non-character material that does not add a unique tone, improves the signal-to-noise ratio and reinforces the strong low frequencies heard by damping. The exterior is dull (Mizusaki Ryo)
Accessories: instruction manual, original box
Main specifications: diameter 30 mm, screw part φ4 mm, 27.6 g/1 piece