기능

• 6.35 mm shaft extension holder for hex bit, hex drill, etc. Ideal for screwing and drilling in inaccessible or deep places!
• The steel holder + impact resistant cap firmly locks the double ball for increased strength! Supports 18 V impact driver.
• Bits are not included. Please purchase commercially available 6.35 mm shaft bits and drills according to your size.
• Box bits and holes cannot be used. (Tightening bolts that require high torque or using a hole saw can damage the product.)