Package Include:1 x AT-010K Micro Air Grinder1 x Oil Pot2 x Hand Wrenches1 x Female Nipple1 x Blow Mold Case10 x Mounted StonesSpecifications:Features:- Small size, lightweight, pen-shaped design, easy to use with one hand.- Convenient hose with hose protector.- Built-in variable speed twist air regulator.- Slim and comfortable design for greater accessibility.- For a variety of high speed bits and accessories.- Used in detail metalworking, woodworking and engraving applications.Type: Pneumatic ToolModel: AT-010KFree Speed: 58000 RPMCollet Size: 3mm or 1/8''Air Inlet: 1/4'' NPT or BSPNet Weight: 0.33kgLength: 132mmAir Pressure: 90 PSIAir Hose: 3/8''Avg. Air Consumption: 2 CFMSug. Air Consumption: 1 HPOperation Instruction:1. Set up selected grinding tools on the chuck of the air grinder.2. Connected the air line accessory at the end of air hose.3. Turn on slowly and gradually clockwise the variable speed switch in silver color when start the motor.