The blade is differentially hardened & tempered .
Fully insulated grip handles with crown at the top for easy rotation.
Hardness on tip: 55 to 58 HRC. ( Higher the hardness higher is the wear resistance)
Screw Driver Kit
Stubby Screw Driver
The blade is made from high grade Silicon - Manganese steel, which no other make uses. This steel gives spring effect also.
The blade is differentially hardened & tempered to resist wear, bending and meet high torque requirement
The blade tip is magnetized to lift small screw etc. from confined spaces or to hold the screw in position
Stubby Screw Driver