• 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 B4-12, B4-13, B4-14, B4-15, B4-16. B4-17, B4-18, B4-19, B4-20, B4-21. B4-22, B4-23, EHB410-Socket Rail for 10 Sockets