Material: Chrome Vanadium Steel Color: Black Length: 6 CM 2.3"in. + 10 CM 3.9"in.+ 15 CM 5.9"in.
Hex Shank: 1/4 inch (6.35 mm)
Package Included: 3 PCS Screwdriver Extension Bit
Product Description: 1. Self-Lock mechanism and strong magnetic are built in, automatically pop up batch head. 2. Help to remove or tighten a large number of screws easily. 3. Fit drill, screwdriver, batch head and others with 1/4 inch hex. 4. With a quick-release chuck, fast fastening, greatly improve work efficiency.
