The blade is made from high grade Silicon Manganese steel.The handle can stand any rough use, even hammering. This steel gives spring effect also.Hardness on tip: 55 to 58 HRC. Higher the hardness higher is the wear resistance.The handle is precisely designed to give comfortable grip even at higher torque.
From the Manufacturer
Taparia 840 Screw Driver Set with Neon Bulb
The blade is differentially hardened & tempered .
Hardness on tip: 55 to 58 HRC, Ideal For Home & Professional Work
The blade tip is magnetized to lift small screw etc. from confined spaces or to hold the screw in position
The handle is made from high grade CA Plastic.
The tip is precision ground to 100 angle, which ensures firm grip in the screw slot.
Bright & smooth Nickel Chrome plating finish ,effectively protecting blade against corrosion.
The handle is precisely designed to give comfortable grip even at higher torque.