Designed to save time assembling your gearbox back together without the delicate parts from shifting. Motor Gear Tool Motor Pinion Puller Mount Usage Install Remove For Airsoft Upgrade Tool Prometheus Non-Linear Gearbox Spring V2 / V3 Mech Box Airsoft Gearbox Tool The Gearbox Installation Kit is highly versatile. It may be used for maintainance on the most common gearbox types ranging from version 1 to version 9. V2 and V3 are the most common type in modern airsoft. Version 2 Gearbox Compatible Version 3 Gearbox Compatible Multi-column Airsoft Review Prevent the Anti-reversal and Trigger from popping out while attempting to assemble the gearbox back together after an upgrade/ maintenance. Airtech studio aeg gearbox v2 to v9 – gearbox install kit – Extreme Airsoft AirTech Gearbox Installation Kit AEGs Version 2-9