Function: 1. The no-load speed of this pneumatic beveling machine is 20000rpm. /min, is convenient and fast, ensures high work efficiency 2. Different specifications of air nozzles are available to meet different needs 3. The portable metal trimming machine is lightweight and one-handed operation reduces operator fatigue 4. Made after burr-free one-piece moulding, features smooth surface and easy installation, very convenient 5. Alloy steel material treated with anti-rust paint, the surface is smooth and greatly improves the service life Specification: Item Type: Mini Pneumatic Chamfering Machine Material : alloy steel Product model: KP-5703 Chamfer capability: C0.1-C1.5 Chamfer Hole Diameter: Approx. 7mm / 0.3 inch Air consumption: 0.14 m³/min No-load speed: 20,000 r.p.m. /min Adjustable depth: 0.1-0.9mm Size (LxW): Approx. 104 x 69mm / 4.1 x 2.7 inches Machine head size: approx. 8 mm / 0.3 inch Alloy Baffle Size: Approx. 48 mm / 1.9 inch Safe Boot Switch Size: Approx. 71mm / 2.8 in Handle Size: Approx. 34mm / 1.3 inch How to use: 1. Use a wrench to remove the hex bolts stuck to the bulkhead 2. Remove the screws and remove the lower compartment 3. Use a hex wrench to unscrew the blade bolt Package List: 1 x beveling machine 1 x Air Nozzle (comes with random color) 2 x key 1 x User Manual