Feature: 1. Portable Air Drill: 3/8in straight handle air drill, supports bidirectional rotation (CW and CCW), and has speed regulation function, with strong practicability. 2. With 3 Jaw Chuck: This pneumatic air drill has a 3 jaw chuck, which is made of stainless steel and has a firm grip, with a clamping capacity of 1.5‑10mm. 3. Dual Point Support: The air drill is double point support design, locking a spindle, has higher concentricity and strong power, and has a wide range of applications. 4. Operating Range: The no load speed of the pneumatic drill reaches 900rpm, the torsion range is 45‑55N·m, and the working air pressure is 0.5‑0.7Mpa. 5. Stable Operation: With fine machining, the main shaft gear and bearing are accurate and stable, to ensure stable rotation of the air drill with strong torsion. Specification: Item Type: 3/8in Air Drill Product Model: YC 1072 Chuck Size: 3/8in Clamping Capacity: Approx. 1.5-10mm / 0.06-0.39in No Load Speed: 900rpm Torsion: 45-55N·m Rotation Direction: Bidirectional (CW and CCW) Speed Function: Adjustable Speed Working Air Pressure: 0.5-0.7Mpa. Package List: 1 x Air Drill2 x Accessories1 x Connector Note: Please be sure to take safety precautions when using it.