Micro Air Grinder Set Pneumatic Practical Cutting Pencil With Wrench HandheldFeatures:High speed rotating to enhance the working efficiency, providing a smooth workl size and light weight, pen-shaped design is easy to use with one hand be applied in various metal cleaning, chamfering, grinding, engraving, internal processing. Also can be used in cutting, grinding and grinding of plastic, stone, wood and so on of metal material, durable, wear-resistant and never rust. Great tool for the model maker, professional and practically used in ironwork, carpentry, tire industry surface treatment, shipbuilding industry etcifications:Material: MetalColor: As Picture ShownAir inlet: 1/4 inchAverage air consumption: 90 PSIDisk diameter: about 3 mmNo-load speed: 65000 rpmRecommended tracheal diameter: about 8 mmPackage included:1 Pc x Micro Grinder 1 Pc x 60 inch Hose 2 Pcs x Chuck Wrenches 1 Pc x Coupler 1 Pc x Manual Note:1. Due to the light and screen difference, the item’s color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.