Features: 1. Safe: Convenient one-handed operation with safety trigger for the safe start-up. 2. Wide Application: Equipped with different fittings can use for different tasks like grinding, graving, polishing, solder joint removal, trimming and edge deburring. 3. Premium Material: Made of aluminum alloy, and the handle with rubber coating, wear-resistant and durable to use. 4. Applicable Objects: Applicable to all kinds of molds (like shoe molds, tire molds, plastic shell switch molds, household appliances molds, etc.), hardware products (like faucets, zippers, hardware tools and various sets of equipment box, etc.) 5. Comfortable Handle: The handle with rubber coating, non-slip and comfortable to grip. Warning: 1. Do not touches the bit or collets while using it, or it may cause injuries 2. You can wear protective equipment to keep dust out of your eyes 3. Store the tool in a dry place and keep out of the reach of children Specification: Type: Pneumatic Grinding Machine Kit Material: aluminum alloy Handle surface treatment: rubber coating Handle type: 90 degree bending No-load speed: 20000RPM Air Inlet: 1/4BSP Chuck size: 3mm and 6mm Air consumption: 4CFM Air pressure: 90PSI Package Contents: 1 x Pneumatic Grinding Machine, 1 x 3mm Chuck, 1 x Bayonet Quick Connector, 2 x Disassembly Wrench, 4 x Grinding Disc, 1 x 2 Inch Rotation Tray Tips: Welcome to our store! Our shop has many interesting, practical and fashionable products. We encourage you to browse our store. wish you a happy life! Thank you!