This mini air-operated chamfering machine is equipped with tungsten steel cutter and is perfectly for home or industrial use. It's easy to operate and is applicable to chamfer right angles and rounded corners for metal and wood material. Portable and compact, easy to carry. Features: Mini size, portable design, convenient to carry. One hand easy operation, quick to chamfer right angles and rounded corners. Adopts tungsten steel cutter, auxiliary bearing and alloy baffle, Features high strength and great durability. Unscrew and rotate to adjust chamfering depth from 0.1 to 0.9mm, meeting various requirements. With 1/4 inch air inlet. Metal switch with safety design, easy to use. This air-operated chamfering machine is suitable for metal and wood material. High quality material, precision assembly, stable performance, long service life. Note: Size and color may be slight different because of manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Silver Material: Metal Air Consumption: 0.14m/min Chamfering Ability: C0.1-C1.5 No Load Speed: 30000rpm Chamfering Hole Diameter: 7mm Adjustable Depth: 0.1-0.9mm Air Inlet: 1/4 Inch Item Size: 115 * 59 * 33mm / 4.53 * 2.32 * 1.30in Item Weight: 402g / 14.17oz Package Size: 15.5 * 9.5 * 5cm / 6.10 * 3.74 * 1.97in Package Weight: 478g / 1.05lbs Package List: 1 * Mini Pneumatic Chamfering Machine 1 * Connector 1 * Hex Wrench 1 * Star Wrench 1 * User Manual