Made in Japan, Ko-ken (Koken) is prized by professional mechanics and motorsport teams for precision-machined sockets, ratchets and drive tools with an exceptional fit, finish and durability.
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The Koken socket range, sorted into clear categories so you can jump straight to what you need.
Explore the full range of Koken sockets, ratchets and accessories below. Made in Japan, Ko-ken (Koken) is prized by professional mechanics and motorsport teams for precision-machined tools with an exceptional fit, finish and durability. Buy online and receive fast, free delivery anywhere in New Zealand.
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