The blade is made out of high grade silicon – manganese steel which no other make uses. This steel gives spring effect also. The blade is another way hardened and tempered to withstand wear, bending and meet high torque requirement. Other makes offer same hardness through out the length of the blade, which isn’t 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 magnetised to boost small screw and the like. From confined spaces or to carry the the screw in position. It’s In most cases conforming to is 844-1979.
Subject matter: SteelColor: Green and Silver
Package Contents: 1-Piece Flat Tip Screw Driver
In most cases conforming to is 844 – 1979
Tip dimensions: 4.0 x 0.6 mm
Blade length: 200 mm
Blade Diameter: 4 mm
Country of Origin: India
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