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 compact deburring and trimming tool features an air grinder with a 1-5 block valve adjustment and a thickened knob for free gear speed control. Chamfering size is adjustable to meet different requirements. A safety switch is included to prevent accidental activation and ensure safe operation. This 45-degree pneumatic mini chamfering tool is lightweight, compact, and designed for easy one-handed operation. The chamfering depth and blade can be quickly adjusted using the included spanner. C angles are angular and primarily used for metal chamfering, while R angles are rounded and commonly used in woodworking. 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–0.9 mm The tool features a new lightweight design for comfortable handling and precise control. Gear speed is fully adjustable, making it suitable for chamfering a variety of materials such as metal and wood. Safety: Integrated safety switch prevents accidental start-up, enhancing user protection. Ease of Use: Lightweight construction allows for effortless one-handed operation, ideal for quick deburring and edge finishing. Product Name: Chamfer Tool Connector: 4 cm Chamfering Hole Diameter: ≥8 mm Color: As shown Material: Metal Dimensions: 15 x 5.8 cm Disc Diameter: 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