Specification:
Features: Hard steel holder for maximum durability, the heavy-duty construction allows for service life.
Bit holder has strong magnetism for quick connect or disconnect and ensuring stay in place while driving. 
Universal 1/4inch quick hex shank and inch hex socket fit most electric drivers, hand-held drivers and bits.
The small size allows you to bring your bit extension anywhere to get any job done and can fit into many tool bag. 
Very helpful to remove or tighten a large number of screws after you\'ve started or loosened them.
Specifications:
Material: - steel
Hex Shank Size: 6.35mm(1/4\")
Hex Socket Size: 6.35mm(1/4\")
Length: 60mm(2.36\")
Quantity: 1
Package Includes:
1 x Bit Holder