To build a tight and durable gearbox, you need to ensure that the gears are tightly meshed against each other.
These metal shims will allow you to accurately fill any loose gaps so that the gears are seated firmly against each other.
FOR AIRSOFT USE ONLY .

Package include:
0.1mm Shim x6
0.2mm Shim x6
0.3mm Shim x6

Weight(Gram):7