Koken Rs4300A Deep Socket Set On Rail 6Pt 10Pc 1/2″Dr 3/8-15/16″

Made In Japan, Highest Quality, Most DependableFlat Drive sockets to ensure a flat surface contact between the socket and the Bolt/Nut. The flat drive system reduces wear and allows to transmit a higher torque value. Cold Forged Heat Treated Chrome Molybdenum Alloy exceeding Din 3129, ISO2572-2 Standards.