Material: Steel, Color: Silver
Item Dimension: 230.12mm x 8.38mm x 23.87mm
Package Contents: 1-Piece Screw Driver
No warranty
The blade is made from high grade silicon - manganese steel which no other, this steel gives spring effect also
The blade is differently hardened and tempered to resist wear, bending and meet high torque requirement, other makes offer same hardness through out the length of the blade, which is not scientific
Hardness on tip : 55 to 58 hrc, Other makes offer much less hardness on tip, higher the hardness higher is wear resistance
The blade tip is magnetized to lift small screw etc, From confined spaces or to hold the screw in position