Features: 1.High efficiency, high drilling, hand-held operation flexible and convenient. 2.Adjustable self-locking chuck, adjustable clamping gear. 3.Reversible switch, convenient and practical. 4.Air intake filter design, effective filtering of impurities. It can clip bit, screwdriver bit, grinding head, carving k-nife, steel brush, emery cloth. High-quality gear, easy to wear, free to control the speed, easy to align the center, high-intensity work safety. Application for metal, plastic products powerful drilling, threading and other operations. Specifications: Optional Types: 3/8 inch Air Inlet: 1/4 inch Chuck Size: 3/8 inch (Clamp Range 1.5-10mm) Speed: 2500rpm Color: As Shown Material: Metal Package Contents: 1 x Pneumatic drill Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.