This Square Magnetic Screwdriver Bit is made of S-2 alloy steel material, constructed with an overall heating treatment, with a hardness of ± HRC58, it features high torque and good toughness, sturdiness and durability. These bits are magnetic an so can be firmly fixed on screwdrivers, fitting electric screwdrivers, hand screwdrivers, electric drills, air drills, etc.
- A practical item that makes life easier
- Strong magnetic, high precision product
- Features high hardness and good workmanship
- Withstands extremely high torque output