• N-PowerFit Drive- Increased strength and reduces rounding or fastener damage by distributing stress through a gentle arc in the bore by enlarging the contact surface. • Designed for maximum strength with minimal wall thickness made possible by tough materials, advanced processing technology, and optimal heat treatement. • Clear engraving- The beautifully-refined engravings are easy to see and increase the efficiency of work. • Contoured edges for comfort while using • 12 point box end wrench with 15 degree offset, sizes 8 mm and 10 mm
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