Features: 1.High quality alloy and steel material, reliable and durable in use. 2.Compact size, light weight, convenient to operate in small space. 3.Easy to remove, quick change chuck for easy buffing wheel change. 4.Good mechanical performance, a perfect tool for polishing and grinding. 5.Suitable for grinding, trimming and engraving the surface of metal parts, wood components, rubber tires and castings, etc. Specification: 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. PackageList: