• 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
• Open end has reinforced teeth to prevent cracking and breaking
• Angle rise of 45 degree for box end
• Compact external diameter is among smallest in the world and ideal for tight spaces
• Contains NM5S-0810, NM5S-1012, NM5S-1214, NM5S-1417