???Features:
These are universal vibration damping balls that can be used in a number of applications from gimbal isolation to protecting sensitive electronics. They match perfectly with our wide range of isolation mounts and are available in a number of grams per ball vibration ratings identifiable by colors.

Specifications:
Isolation rating: 200g per ball (Blue/Black/Red)
weight: 3g per ball
Size: 20mm tall (top of flange to bottom of flange) 18mm wide (at widest point)
Mounting: 7mm hole or bolt threw

Package list:
4 * Vibration Damping balls (200g Blue)