• 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: 1/4" Sockets, B2-3/16, B2-7/32, B2-1/4, B2-9/32, B2-5/16, B2-11/32, B2-3/8, B2-7/16, B2-1/2, B2-9/16, EHB215-Socket Rail for 15 Sockets