BIHOO TOOL pneumatic air micro die grinder sets,3mm chuck pencil type polishing engraving grinding pneumatic tools 58000rpm

Specifications: 1/8″ Collet, 1/4″ air inlet. 2 CFM Avg. air consumption, 58000 RPM free speed, 90PSI air pressure. | Features: Free speed, light weight, durable, easy to hold and use. | Easy to use: High-speed pencil grinder, suitable for high-speed precision machining. The exquisite internal design makes it easy to use. | Flexible hose: Convenient hose with hose protector, extremely flexible 44-1/2″ hose and wear-resistant shield. | Widely used: Suitable for grinding, polishing, cleaning jewelry, molds, rotors, back plates, brake pads, cylinder heads, mounting seats, etc.