Features [High efficiency] This pneumatic grinder is easy to operate, high in efficiency and long in service life. [Comfortable to hold] This pneumatic grinder adopts ergonomic design and is comfortable to hold, suitable for handheld work. [Low noise] This pneumatic grinder is characterized by high s/peed, low noise, low air consumption and high concentricity. [Meet the demand] This professional air grinder can meet most grinding and polishing needs. [Scope of application] This pneumatic grinder is widely used for grinding and finishing various molds, metal products, glass, stone, crafts, jewelry, circuit boards, etc. Features: 1. This professional air grinder can meet most grinding and polishing needs. 2. It is characterized with high r/otary s/peed, 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 S/peed: 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. Package List