- Excellent quality and durable design The handheld mini pneumatic beveling machine has a housing made of plastic steel that is shockproof, drop-proof and corrosion-resistant. An improved angle grinder with high quality bearings and blades provides smoother deburring and chamfering. - Adjustable performance for precision work High speed up to 30000 rpm with ARC correction from R0.1 to R1.5 and chamfering power from C0.1 to C2. Adjustable cut depth of 0.1 mm to 0.9 mm. Air consumption is 0.4 per minute. Features a 1-5 air inlet setting to freely adjust the air intake speed. Use the appropriate wrench to easily adjust the chamfer size and replace the blade. - Easy to use and comfortable This 45 degree mini chamfering tool features a lightweight, compact design for smooth cuts, high efficiency and low vibration when working with carbon steel. It can be operated easily with one hand and remains comfortable during use. - Safe and reliable operation A thickened knob adjusts the 1-5 speed valve, enabling precise speed control and chamfer size adjustments. A safety switch helps prevent accidental activation and protects the user at all times. - Practical applications - Deburring and trimming metal sheets and profiles after cutting for clean edges - Beveling pipe and tube ends to prepare for welding - Finishing small precision parts and aluminum extrusion edges for smooth, ready-to-assemble surfaces