Features: 1. This professional air grinder can meet most grinding and polishing needs. 2. It is characterized with high rotary speed, low noise, small air consumption and high concentricity. 3. Ergonomic design, comfortable grip, suitable for handheld work. 4. Easy to operate, high efficiency, long lifespan. 5. Widely used for the grinding and trimming of various die, metal product, glass, stone, crafts, jewelry, circuit board and more. Specification: Model: AG-315 Item Type: 90 Degree Pneumatic Grinder Operating Air Pressure: 90psi (6.2Bar) Chuck Size: 3.15mm or 6.35mm (1/8" or 1/4") No Load Speed: 2000rpm Air Consumption: 4cfm Air Inlet Connector: 1/4BSP Total Length: 16cm / 6.3in Weight: Approx. 623g / 22.0oz Package list: 1 * Pneumatic Grinder 2 * Wrench 1 * 1/4BSP Air Inlet Connector 1 * 3.15mm Chuck (inner round diameter 3.15mm) Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.1This professional air grinder can meet most grinding and polishing needs. 2It is characterized with high rotary speed, low noise, small air consumption and high concentricity. 3Ergonomic design, comfortable grip, suitable for handheld work. 4Easy to operate, high efficiency, long lifespan. 5Widely used for the grinding and trimming of various die, metal product, glass, stone, crafts, jewelry, circuit board and more.