Extension Bar 1/4" SQ Drive A753 Taparia

About this item

• 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. The blade tip is magnetized to lift small screw etc. from confined spaces or to hold the the screw in position.