Features:
Gear Shim Set:
Size: 6mm/7mm/8mm
Material: Bearing Steel
Color: Silver
Suit for Airsoft Gel Blaster BD556 M4 M16 JinMing9 Ver2/3 G36 Gearbox

Stainless Steel Bearing for Airsoft :
1.Air gun gearbox stainless steel bushing group
2.Essential part for upgrading your Airsoft AEG.
3.To build a tight & durable gearbox.
4.Design for high-speed operation & heavy load prevent cling by burning.
5.Design for 6mm/7mm/8mm Gearbox Version.
6.Suitable for ALL AEG brand with appropriate gearbox.

Package Content:
6pcs/set shim kit / bearing kit