Turn Square Head Hexagonal Shank Extension Bar Sleeve Beaded 1/4 3/8 1/2 Sleeve Wind Batch Electric Connection Switching Lever.
Turns any power drill into a power nut driver Sturdy spring-loaded ball bearing holds sockets securely in place ,Sockets Snap-On Tightly and Won't Slip Off.
Constructed of rust-resistant chrome vanadium steel for long lifetime handles the toughest jobs Hex shaft saves time changing out of Power Drill Saves time over traditional hand operated nut drivers.
Kit Hardened & treated Chrome-Vanadium steel alloy for superior strength & durability Prevents Stripping during High Speed Drill Operation.
Specification:
Type: Drill Bit
Material: chrome vanadium steel
Color: Black
Length: 50mm
Size: 1/2(12.7mm),1/4(6.35mm),3/8(9.5mm)(Approx.)
Uses: Suitable for screwdriver handle or electric screwdriver tool
