Modify Modular Gear Set 8mm Ver.2/Ver.3 Speed 16.32:1 play double O-rings and concaved air

double O-rings and concaved air intake

These are great for a business uniform as they are plain and you can add your own logo to them

- Durable and lightweight

A trustworthy companion on so many tramps

Viper Modular Hydration Pack

Modify Modular Gear Set 8mm Ver.2/Ver.3 Speed 16.32:1 play double O-rings and concaved airSteel gears are hardened and durable Uniquely designed gear with extremely fine design, and with Nano Class surface treatment. Significantly improving its anti fatigue strength and extend service life. Substantially reducing the friction coefficient of the gear. Noise reduction Modular design, no need to adjust gear clearance Easy to install and easy to maintain With a safety check valve, the one groove on the Anti Reversal Latch is designed to