Material: Chrome Vanadium Alloy Steel
Specification: 6.35mm
Type: Magnetic/Non-magnetic with Two Extensions
System: Metric System
1. Type of Universal: Rechargeable Drill, Hand Drill, Hexagonal Through-the-moon Connection|
2. Longer and Stronger Groove: Hexagonal Groove at the End, Safe and Strong, Not Falling off
3. Surface Heating Treatment: After Heating Treatment, the Hardness Is Stronger