Features: brand new and high quality High-quality alloy blades, auxiliary bearings, sturdy and durable, fast cutting. Adjustment switch, 5-speed adjustment switch, adjust according to demand. Switch button, ergonomic design, comfortable feel. Intake/exhaust port, can be rotated 360 to adjust the exhaust direction. For blade replacement, use a hexagonal wrench to loosen the side fixing screws; remove the auxiliary baffle; use a torx wrench to remove the blade screws; remove the blade and replace it with a new blade. Specifications: Material: Metal Product Dimension: approx. 145x58.5x48x7 mm/ 5.71x2.30x1.89x0.28 inches Net Weight: 540g/ 1.19 lbs No-load Speed: 30000rpm Adjustable Depth: 0.1mm- 0.9mm Intake Pressure: 6-8kg Chamfering Ailty: C0.1-C1.5 Chamfer Aperture: ≥7mm Intake Connector: 1/4 Package Includes: 1Set Pneumatic Air Chamfering Machine note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.