Taparia 904 Two In One Screw Driver Flat+Phillip Head-Pechkas
The blade is made from high grade Silicon-Manganese steel which provides high strength 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.
Reviews
There are no reviews yet.