Great for power tools: not only can you use the bits on hand tools， you can easily insert them to any 1/4 in. hex shank power drill to use

Multi-purpose: there are different types screwdriver bit heads， such as: slotted head， cross head， hex head， star head， tri-wing， Torx head， pozi drive， spanner head which meet your different needs

Wide application: these bits are ideal for your home projects， shop works， contractor jobs， automotive repairs， electronics repairs etc.

Perfectly aligned holes: includes uncommon bits and tamper proof security bits with perfectly centered holes for extreme accuracy

Extra length: each bit measures in at 6 in. L and is ideal to be used with electronic appliances

Heavy-duty construction: bits are made with S2 steel for ultimate durability that withstand throughout multiple uses in regular and even industrial settings

Stay organized: all bits come neatly organized in a stand up organizer， discreet design allows you to store it away with minimal space while not in use

Material: S2 alloy steel

External hex shank: 1/4 in.

Total length: 6 in.

Torx tamper: T8， T10， T15， T20， T25， T27， T30， T35， T40

Hex tamper: 2 mm， 2.5 mm， 3 mm， 4 mm， 5 mm， 6 mm

Tri-wing: #1， #2， #3， #4

Spanner: 4 mm， 6 mm， 8 mm， 10 mm

Torque bit: 6 mm， 8 mm， 10 mm

Pozi drive: PZ1， PZ2， PZ3

Philips: #1， #2

Slotted: 6 mm