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.
The blade tip is magnetised to lift small screw etc.from confined spaces or to hold the the screw in position.
Specifications for this item
Brand Name
Generic
Colour
Green
Head Style
Flat
Material
Alloy Steel
Model Number
842
Number of Items
1
Part Number
842
Size
150 mm