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Depth
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Short Socket(40)
Input Square Drive Size
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1/4" Square Drive(692)
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3/8" Square Drive(2014)
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1 1/2" Square Drive(165)
Input Bit Drive Size
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1/4" Hex Drive(230)
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5/16" Hex Drive(67)
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7/16" Hex Drive(91)
Output Standard
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Metric(3956)
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XZN(105)
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Phillips (PH)(91)
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Inhex(498)
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LHSTIX(28)
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Ribe-CV(39)
Output Size (METRIC)
8041 products
Z-SERIES
The Ko-ken Z-Series Collection
Koken Z-Series is designed for lower profile applications in difficult to get to locations. As an expert maker, we have been manufacturing socket wrenches for half century, and give our know-how and enthusiasm on them. Here we provide Z-series as next generation mechanic standard of socket wrenches.

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