• 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 treatment.
• Optimal fastener fit- industry leading tolerances Set Includes: 1/2" Sockets B4L-12, B4L-13, B4L-14, B4L-15, B4L-16. B4L-17, B4L-18, B4L-19, B4L-20, B4L-21. B4L-22, B4L-23, EHB410-Socket Rail for 10 Sockets
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