Koken 12pt Deep Socket 1/4″Dr 5.5mm

Made In Japan, Highest Quality, Most Dependable Flat 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, ISO25722 Standards.