Item Type: Engraving Machine_x000D_Model: AG-315BS_x000D_No-Load Speed: 20000-25000rpm_x000D_Air Consumption: 0.2/min_x000D_Chuck Size: Approx. 3.18-6.35mm / 0.13-0.25in_x000D_Grinding Disc Size: Approx. 2in_x000D_Intake Port: 1/4in (European/Japanese standard) 1The grinder is used for grinding, deburring and shaping the surface of metal parts, wood, rubber tires, and castings. 2The engraving machine adopts a fine metal movement, fast speed, high output power, and stable operation. 3The grinder is small in size and can be hand?held, with high speed and wide in applicability. 4Pneumatic engraving machine uses air as power, low air consumption, low starting pressure, compact structure and easy operation. 5Equipped with connecting rods and grinding disks of various specifications, which can be replaced at any time, with high work efficiency. 1 x Host 1 x 1/4in Air Intake Connector(JapaneseStandard) 2 x Wrench 1 x Chuck 1 x Grinding Disc Connecting Rod 1 x Rubber Tray 2in 1 x Wool Grinding Disk 2in 1 x Zirconium Steel Flap Disk 2in 80grit 1 x Scouring Pad Disk 2in 400grit 1 x Red Sandpaper Disk 2in 80grit 1 x User Manual