• 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
• Double box ends with proprietary internal bore angle of 7 degree and 30 seconds for improved workability in tight spaces
• Solid steel construction designed for maximum strength with minimal wall thickness made possible by tough materials, advanced processing technology, and optimal heat treatment
• Compact external diameter is among smallest in the world and ideal for tight spaces
• Box end short sizes NM1S-0708, 1012, 1113, 1315, 1417