Made of S2 high quality shock-resisting tool steel, a hard and abrasion-resistant alloy metal. Square head surface for steel material color.
With 1/4" quick change hex shaft which widely used on electric screwdrivers, hand screwdrivers, cordless drills, etc.
Strong magnetic, good workmanship, high precision. each edge can be accurately locked screws, no damage to the screw and the screwdriver head.
Suitable for electric screwdrivers, manual screwdrivers, T-handle 1/4" driver screwdrivers, corded drills, cordless drills, impact drivers and more. Usually used for mechanical equipment, automobiles, motorcycles, bicycles, furniture, toys, electronic equipment, household appliances.