Features: Easy Operation: Mini body, easy to operate with one hand, fast cutting of right angle fillets Sharp Tungsten Steel Double Blade: Adopting triangular tungsten steel blade, auxiliary bearing, sharp and durable Chamfer Size Adjustment: 0.1-0.9mm adjustable, unscrew the screw, rotate to select the scale size, and tighten the screw Five-gear air regulating valve: turn the air regulating valve to adjust the air flow; Large airflow and fast rotation speed. Small airflow and low rotation speed. Efficient: With its powerful and stable cutting capabilities, this chamfering machine can quickly and easily creates smooth and polished edges. Easy to Use: The machine is compact and easy to operate, making it an nice choice for both professionals and DIY enthusiasts. Specifications: No-load speed: 30000 rpm Chamfering capacity: C0.1-C1.5 Chamfering aperture: 7mm Adjustable depth: 0.1-0.9mm Material: Aluminum+steel Item Size: 120 * 58 mm / 4.72 * 2.28 inch Item Weight: 407g / 14.36oz Package Size: 16 * 10 * 5.5 cm / 6.3 * 3.94 * 2.17 inch Package Weight: 495g / 17.46oz Package List: 1 * Chamfering Machine 1 * Adapter 1 * Mini Screwdriver 1 * Mini Wrench 1 * User Manual (English)