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KK Z-Series

Ko-Ken Z-Series

Ko-Ken Z-Series: Professional-Grade Impact Sockets

Discover the Ko-Ken Z-Series: the next generation of professional-grade impact sockets and accessories, engineered for demanding industrial and automotive applications. As an ISO-certified distributor, Freer Tool & Supply proudly offers Ko-Ken’s Z-Series—designed for low-profile, hard-to-reach locations where standard sockets fall short. Each Z-Series socket and accessory is crafted with advanced materials and precise Japanese manufacturing, ensuring maximum durability, strength, and reliability under heavy loads.

Ko-ken 3300XZ-10 3/8 Sq. Dr. Socket 10mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-10 3/8 Sq. Dr. Socket 10mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-10
MPN: 3300XZ-10

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Ko-ken 3300XZ-11 3/8 Sq. Dr. Socket 11mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-11 3/8 Sq. Dr. Socket 11mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-11
MPN: 3300XZ-11

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Ko-ken 3300XZ-12 3/8 Sq. Dr. Socket 12mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-12 3/8 Sq. Dr. Socket 12mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-12
MPN: 3300XZ-12

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Ko-ken 3300XZ-13 3/8 Sq. Dr. Socket 13mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-13 3/8 Sq. Dr. Socket 13mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-13
MPN: 3300XZ-13

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Ko-ken 3300XZ-14 3/8 Sq. Dr. Socket 14mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-14 3/8 Sq. Dr. Socket 14mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-14
MPN: 3300XZ-14

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Ko-ken 3300XZ-15 3/8 Sq. Dr. Socket 15mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-15 3/8 Sq. Dr. Socket 15mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-15
MPN: 3300XZ-15

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Ko-ken 3300XZ-16 3/8 Sq. Dr. Socket 16mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-16 3/8 Sq. Dr. Socket 16mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-16
MPN: 3300XZ-16

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Ko-ken 3300XZ-17 3/8 Sq. Dr. Socket 17mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-17 3/8 Sq. Dr. Socket 17mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-17
MPN: 3300XZ-17

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Ko-ken 3300XZ-18 3/8 Sq. Dr. Socket 18mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-18 3/8 Sq. Dr. Socket 18mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-18
MPN: 3300XZ-18

Save $2.92
Ko-ken 3300XZ-19 3/8 Sq. Dr. Socket 19mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-19 3/8 Sq. Dr. Socket 19mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-19
MPN: 3300XZ-19

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Ko-ken 3300XZ-7 3/8 Sq. Dr. Socket 7mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-7 3/8 Sq. Dr. Socket 7mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-7
MPN: 3300XZ-7

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Ko-ken 3300XZ-8 3/8 Sq. Dr. Socket 8mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-8 3/8 Sq. Dr. Socket 8mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-8
MPN: 3300XZ-8

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Ko-ken 3400MZ-10 3/8 Sq. Dr. Socket 10mm 6 point Length 20mm Z-series

Ko-ken 3400MZ-10 3/8 Sq. Dr. Socket 10mm 6 point Length 20mm Z-series

SKU: KK-3400MZ-10
MPN: 3400MZ-10

Save $1.57
Ko-ken 3400MZ-11 3/8 Sq. Dr. Socket 11mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-11 3/8 Sq. Dr. Socket 11mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-11
MPN: 3400MZ-11

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Ko-ken 3400MZ-12 3/8 Sq. Dr. Socket 12mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-12 3/8 Sq. Dr. Socket 12mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-12
MPN: 3400MZ-12

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Ko-ken 3400MZ-13 3/8 Sq. Dr. Socket 13mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-13 3/8 Sq. Dr. Socket 13mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-13
MPN: 3400MZ-13

Save $1.69
Ko-ken 3400MZ-14 3/8 Sq. Dr. Socket 14mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-14 3/8 Sq. Dr. Socket 14mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-14
MPN: 3400MZ-14

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Ko-ken 3400MZ-15 3/8 Sq. Dr. Socket 15mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-15 3/8 Sq. Dr. Socket 15mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-15
MPN: 3400MZ-15

Save $1.89
Ko-ken 3400MZ-16 3/8 Sq. Dr. Socket 16mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-16 3/8 Sq. Dr. Socket 16mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-16
MPN: 3400MZ-16

Save $1.89
Ko-ken 3400MZ-17 3/8 Sq. Dr. Socket 17mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-17 3/8 Sq. Dr. Socket 17mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-17
MPN: 3400MZ-17

Save $1.89
Ko-ken 3400MZ-18 3/8 Sq. Dr. Socket 18mm 6 point Length 22mm Z-series

Ko-ken 3400MZ-18 3/8 Sq. Dr. Socket 18mm 6 point Length 22mm Z-series

SKU: KK-3400MZ-18
MPN: 3400MZ-18

Save $1.89
Ko-ken 3400MZ-19 3/8 Sq. Dr. Socket 19mm 6 point Length 22mm Z-series

Ko-ken 3400MZ-19 3/8 Sq. Dr. Socket 19mm 6 point Length 22mm Z-series

SKU: KK-3400MZ-19
MPN: 3400MZ-19

Save $1.89
Ko-ken 3400MZ-21 3/8 Sq. Dr. Socket 21mm 6 point Length 23mm Z-series

Ko-ken 3400MZ-21 3/8 Sq. Dr. Socket 21mm 6 point Length 23mm Z-series

SKU: KK-3400MZ-21
MPN: 3400MZ-21

Save $2.98
Ko-ken 3400MZ-22 3/8 Sq. Dr. Socket 22mm 6 point Length 23mm Z-series

Ko-ken 3400MZ-22 3/8 Sq. Dr. Socket 22mm 6 point Length 23mm Z-series

SKU: KK-3400MZ-22
MPN: 3400MZ-22

Save $2.98