* These Screwdriver Bits are with magnetic design.
* This useful hex screwdriver bit, exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head.
* Great replacement for missing, bent or broken hex head screwdriver bits.
* Made of S2 alloy steel, which is a commonly used material in hardware with high hardness.
* Those bits fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth

Specification:
Shank Size: (Hex) 1/4-inch
Total Length: 75mm / 2.95-inch
Bit Type: H4
Surface Treatment: Sandblasting;
Material: S2

Package Content:
10 x Square Screwdriver Bits