Features:_x000D__x000D_High quality alloy and steel material, reliable and durable in use. _x000D_Compact size, light weight, convenient to operate in small space. _x000D_Easy to remove, quick change chuck for easy buffing wheel change. _x000D_Good mechanical performance, a perfect tool for polishing and grinding. _x000D_Suitable for grinding, trimming and engraving the surface of metal parts, wood components, rubber tires and castings, etc. _x000D__x000D_Specification:_x000D_Condition: 100% Brand New_x000D_Material: Alloy, Steel_x000D_Color: As Picture Shown _x000D_Chuck Size: 3mm/6mm_x000D_Free Speed: 25000rpm_x000D_Working Pressure: 6-8kg_x000D_Air Consumption: 170L/MIN 4cfm_x000D_Air Inlet Size: 1/4inch_x000D_Tube Inter Diameter: 3/8inch_x000D__x000D_Size: As Picture Shown _x000D__x000D_Length: Short, Medium, Long(Optional)_x000D__x000D_Package Weight: Approx. 630-790g/22.2-27.8oz_x000D__x000D_Package list: _x000D_1 * Pneumatic Grinder_x000D_1 * Chuck_x000D_1 * Inlet Interface_x000D_2 * Wrench_x000D__x000D_Note:_x000D_1. Always use a water separator and drain regularly to ensure that the movement is dry._x000D_2. The daily probation period must be drop 2-3 drops of lubricating oil in the air inlet of the gun body and idling for half a minute. 1High quality alloy and steel material, reliable and durable in use. 2Compact size, light weight, convenient to operate in small space. 3Easy to remove, quick change chuck for easy buffing wheel change. 4Good mechanical performance, a perfect tool for polishing and grinding. 5Suitable for grinding, trimming and engraving the surface of metal parts, wood components, rubber tires and castings, etc.