The Die Grinder features a 0.32 motor that can spin up to 20,000 RPM. Pneumatic die grinders have built-in speed adjusters for better control. Perfect for precision machining, smoothing, chamfering, deburring, grinding, polishing and engraving. The sloping shape is best for and hard-to-reach . The 90-degree grinding head provides flexibility in many applications to achieve or angled grinding. Lightweight aluminum body, rear exhaust, durable ball motor. Ergonomic Design: The grip provides greater comfort and control, and ergonomic design provides superior accuracy, as as increased productivity and safety. Includes 20 grinding discs for different purposes, to use. color:As shown Material:Metal Package Contents: 20 x grinding discs(5 louver sand discs, 5 nylon sand discs each of fine, medium and coarse) 1 x air die grinder Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.