Features Pencil Type: This pneumatic pencil die grinder features a pencil style that provides control and maneuverability when grinding and polishing surfaces. Right Angle Elbow Design: This pneumatic pencil is not only easy to use with one hand, but also adopts a 90° right angle elbow design, which brings you more convenience in the working process of operation. One Hand Use: This pneumatic pencil die grinder is small, lightweight and pen shaped for easy one handed use, bringing more convenience to your work. Double Bearing Structure: This pneumatic pen adopts a double bearing structure, which can withstand high rotational speeds and improve grinding efficiency, with stable rotational speeds and excellent transmission performance. Application Scenarios: This grinder can be for chamfering, grinding, engraving, and internal machining of various metals. Can also be to grind and polish plastic, stone, wood, etc. Specification: Item Type: Pneumatic Pencil Die Grinder Material: Alloy steel Model: OW 095W Angle: 90° Collet: Approx. 3mm/0.12in Package List:1 x Pipe1 x Pneumatic Engraving Pen 2 x Wrench1 x User Manual1 x Storage Box Note:Before use, make sure that the collet is fixed to ensure that the air nozzle are not gas leaking. Package List 1 x Pipe 1 x Pneumatic Engraving Pen 2 x Wrench 1 x User Manual 1 x Storage Box