Those bits are magnetic that can be firmly fixed on screwdrivers,
fitting for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth.
Those Hex Head Screwdriver Bits are made of S2 alloy steel which is a commonly used material in hardware with high hardness.
Magnetic bits are firmly fixed on screwdrivers.
Shank Type: 1/4 Hex shank
Size: T10 / T15 / T20 / T25 / T27 / T30 / T40 (50x6.35mm/1.97x0.25inch)
Features:Multifunctional,Mini,Dismountable
With Handle Or Not:No
Color: silver
Material: steel
Package Content: 7* Screwdriver Head
