Features : - Anti-rust Oil. Every Drill Chuck out of the factory is covered with butter, lubrication and anti scorch.
- External casing, keyhole and key are quenched, accurate and reliable, durable.
- Claw special treatment, good wear resistance.
- Comfortable grip with ergonomics is comfortable and easy to use.
- Precision grinding technology, strong wear resistance. Unique chip removal design, more smooth chip removal.
- Easy to operate.
- High precision gear keys, tight occlusion.