• Includes 8,10, 12, 13, 14, 17, 18 & 19mm sockets on handy socket rail
• Chrome vanadium steel construction
• Precise radial spline teeth engage the fastener over a wider area to minimize stress and allow use of higher torque without damage to the fastener or the tool
• Also fits a variety of other fasteners: 12 point (triple square), Torx®, 6 point, square and damaged fasteners