Specification:
Brand name: Aurora RC 
Item name: M2 Damping Ball 
Product size: 4.5*4.5*4mm
Product weight: 0.04g/pcs
Packing size: 6*9*1cm
Package weight: 2g

Feature:
1.5mm thickness PCB board with silicone cushion.
The height of the card slot is 1.5mm, suitable for control board with thickness of 1.0-1.5mm.
Compatible for Supra F4-12A, BETAFPV12A,Succex F4,GEP-12A-F4 AIO Flight Controller ESC

Package Included:
20 x M2 Damping Ball