This pneumatic chamfering machine offers a wide range of applications, capable of chamfering R and C angles, round holes, irregular edges, arcs, and straight edges on various materials including steel, aluminum, copper, acrylic, and wood. The mini deburring, trimming, and chamfering tool features an air grinder with a 1-5 block valve adjustment and a thickened knob for free gear speed control. The chamfering size is adjustable. A safety switch helps prevent accidental activation and enhances user safety. This 45-degree pneumatic mini chamfering tool is lightweight, compact, and designed for easy one-handed operation. The chamfering size and blade can be quickly adjusted using the included spanner. C angles are angled and primarily used for metal chamfering, while R angles are rounded and typically used in woodworking applications. Specifications: Free speed 30000 RPM, air consumption 0.4 m³/min, air inlet port: 1/4 inch PT. Trimming capacity: Chamfering C0.1–C1.5, arc corner R0.1–R1.5, adjustable depth 0.1 mm to 0.9 mm. The machine features a new lightweight design for comfortable one-handed use. Gear speed and chamfering size are freely adjustable, making it suitable for chamfering various materials such as metal and wood. Safety: Equipped with a safety switch to prevent accidental contact. Ease of Use: Lightweight design allows for easy one-handed operation and quick deburring. Product Name: Chamfer Tool Connector: 4 cm Chamfering hole diameter: ≥8 mm Color: As shown Material: Metal Dimensions: 15 x 5.8 cm, Disc: 4.8 cm, Body Diameter: 3.2 cm Package Contents: 1 x Black Pneumatic Chamfering Machine 2 x Bearing Fixing Screws 4 x Blade Fixing Screws 6 x C Angle Blades 6 x R1.5 Blades 6 x Bearings 1 x Connector 2 x Spanners 2 x Sealing Rings