• 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: 3/8" B3-08, B3-09, B3-10, B3-11, B3-12, B3-13, B3-14, B3-15, B3-16, B3-17, B3-18, B3-19, Sockets EHB315-Socket Rail for 15 Sockets