Features: -Slim and comfortable design for greater accessibility -Built-in variable speed twist air regulator -Convenient hose with hose protector -Nipple and wrenches are included -Ideal for final cleaning and polishing of dies, jewelry and for hobby use too -Rear exhaust The main purpose: -All kinds of metal precision grinding -Cleaning of various metals, chamfering, grinding, carving, internal processing -Cutting plastic, stone, wood, etc., grinding, polishing -Various types of welding surface grinding Specifications: -Free Speed: 65,000 RPM -Collet Size: 3mm or 1/8” -Air Pressure: 90 PSI -Air Inlet: 1/4" NPT OR BSP -Air Hose: 3/8" -Average Air Consumption: 2 CFM -Suggested Air Compression: 1 HP -Overall Length: 150mm