Feature: 1. Ergonomic design, comfortable to hold, not easy to fatigue for a long time 2. CW/CCW adjustable, easy to use, equipped with a speed switch to adjust the speed 3. High accuracy deceleration structure, capable of carrying loads and long-term work and long service life 4. Hook-style design, easy to store 5. Self-locking chuck, the screwdriver bit is not easy to drop 6. Cooperate with the batch head/tilt screw for home decoration, auto repair and production line assembly 7. With a small steel ball, when using the short batch head, the bit will be inserted into the self-locking mechanism will be shorter, and the small steel ball will be placed under the short batch head to play a growth role to avoid damage to the lock sleeve. Spec: Condition: 100% Brand new Material: Alloy Head: 6.35mm Female screw Torsion: 100Nm No-Load Speed: 9000RPM Strike Structure: Double vertical Blade Length: 38mm Screw Tapping Ability: 8-10mm Rotation Mode: CW/CCW Torsion Adjustment: Two-Way Three-Speed Exhaust Mode: Side exhaust Air Inlet: 1/4 Size: Approx. 270 x 43 x 65mm / 10.6 x 1.7 x 2.6in Package List: 1 x Screwdriver 1 x Hook 3 x Screwdriver Bits 1 x Air Inlet 1 x Small Steel Ball