Features 1、Air Grinder Pen: This micro die grinder features pencil type shaft, provides control and maneuverability when cutting, grinding and polishing surfaces. 2、Applicable Materials: Widely used in metal, porcelain, glass, plastic, marble, wood, stone, handicrafts, jewelry, porcelain and other hard materials processing. 3、Efficient Work: This micro air die grinder pen is often used together with an air compressor, with an air flow of 110L, which is efficient and durable. 4、Simple Operation: The air die grinder has compact size, easy to operate with one hand, convenient and labor saving in operation, with good practicality. 5、Other Accessories: Equipped with chucks, connector, hex wrench and protection short tube, etc., suitable for more situations, and ensure safe operation. Specification Item Type: Air Die Grinder Model: OW 06B Material: Metal Air Flow: 110L Reciprocating Frequency: 35000 times per minute Chuck: 3mm Package List 1 x Air Grinder 1 x Flat Chuck 1 x Connector 1 x Chuck 1 x Hex Wrench 1 x Sponge Cover 1 x Protection Short Tube 1 x Storage Box