This professional pneumatic chamfering machine is engineered for precision deburring and edge finishing. It efficiently creates R/C angles, rounds holes, and smooths irregular edges, arcs, and straight lines on a variety of materials such as steel, aluminum, copper, acrylic, and wood. Key features include a 1-5 block valve adjustment knob for precise gear speed control and an adjustable chamfering size mechanism. A built-in safety switch helps prevent accidental operation. The tool boasts a high free speed of 30000 RPM with an air consumption of 0.4 CFM, and it connects via a standard 1/4 inch PT air inlet port. It offers versatile trimming capacity, handling chamfers from C0.1 to C1.5 and ARC corners from R0.1 to R1.5, with an adjustable depth range of 0.1mm to 0.9mm. The lightweight, ergonomic design facilitates comfortable one-handed operation. Note: C angle blades are optimized for metal chamfering, while R angle blades are ideal for woodworking applications. **Product Specifications:** * Condition: New * Material: Metal * Approximate Size: 15 x 5.8 cm * Disc Diameter: 4.8 cm * Body Diameter: 3.2 cm * Connector Size: 4 cm * Minimum Chamfering Hole Diameter: ≥ 8 mm **Package Includes:** * 1 x Pneumatic Chamfering Machine * 6 x C Angle Blades * 6 x R1.5 Blades * 6 x Bearings * 1 x Connector * 2 x Bearing Fixing Screws * 4 x Blade Fixing Screws * 2 x Spanners * 2 x Sealing Rings