Rocket Airsoft Gearbox Shims Set 0.1mm 0.15mm 0.2mm Gear Alignment
Rocket Airsoft Gearbox Shims. These shims are perfect for gearbox upgrades, ideal for lining those gears. For Airsoft Use Only, cannot be Modified for any other Purpose. Rocket shims include 9pcs 0.10mm, 9pcs 0.15mm and 9pcs 0.20mm single shim.