Bitspower Anti-Vibration Ridged M3/M4 Screw Washers (Set of 20) - Black
General purpose silicon pad universal-mini washers for both big M4 and small M3 screws.
When used between the screw and the mounting hole these silicon washers have a remarkable effect on absorbing shock.
•W x H: 8 X 3 MM
•Middle perforation 4 MM high
•Material quality: silicon rubber
•Quantity: 20 PCS