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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 2285ZE 1/4 Sq. Dr. Socket set Z-series 10 pieces

Ko-ken 2285ZE 1/4 Sq. Dr. Socket set Z-series 10 pieces

SKU: KK-2285ZE
MPN: 2285ZE

Save $38.04
Ko-ken RS2025Z/7-L28 1/4 Sq. Dr. Bit Socket set TORX T10-T40 Length 28mm Z-series 7 pieces

Ko-ken RS2025Z/7-L28 1/4 Sq. Dr. Bit Socket set TORX T10-T40 Length 28mm Z-series 7 pieces

SKU: KK-RS2025Z/7-L28
MPN: RS2025Z/7-L28

Save $26.85
Ko-ken RS2025Z/7-L50 1/4 Sq. Dr. Bit Socket set TORX T10-T40 Length 50mm Z-series 7 pieces

Ko-ken RS2025Z/7-L50 1/4 Sq. Dr. Bit Socket set TORX T10-T40 Length 50mm Z-series 7 pieces

SKU: KK-RS2025Z/7-L50
MPN: RS2025Z/7-L50

Save $28.53
Ko-ken RS20XXZ/9 1/4 Sq. Dr. Bit Socket set PH, SL, HEX Z-series 9 pieces

Ko-ken RS20XXZ/9 1/4 Sq. Dr. Bit Socket set PH, SL, HEX Z-series 9 pieces

SKU: KK-RS20XXZ/9
MPN: RS20XXZ/9

Save $27.69
Ko-ken RS2300MZ/12 1/4 Sq. Dr. Socket set 4-14mm 6 point Z-series 12 pieces

Ko-ken RS2300MZ/12 1/4 Sq. Dr. Socket set 4-14mm 6 point Z-series 12 pieces

SKU: KK-RS2300MZ/12
MPN: RS2300MZ/12

Save $39.24
Ko-ken RS2300XZ/9 1/4 Sq. Dr. Socket set 5.5-14mm 6 point Z-series 9 pieces

Ko-ken RS2300XZ/9 1/4 Sq. Dr. Socket set 5.5-14mm 6 point Z-series 9 pieces

SKU: KK-RS2300XZ/9
MPN: RS2300XZ/9

Save $30.85
Ko-ken RS2400MZ/12 1/4 Sq. Dr. Socket set 4-14mm 6 point Z-series 12 pieces

Ko-ken RS2400MZ/12 1/4 Sq. Dr. Socket set 4-14mm 6 point Z-series 12 pieces

SKU: KK-RS2400MZ/12
MPN: RS2400MZ/12

Save $26.02
Ko-ken RS3010MZ/8-L50 3/8 Sq. Dr. Bit Socket set 3-12mm Hex 200mm Z-series 8 pieces

Ko-ken RS3010MZ/8-L50 3/8 Sq. Dr. Bit Socket set 3-12mm Hex 200mm Z-series 8 pieces

SKU: KK-RS3010MZ/8-L50
MPN: RS3010MZ/8-L50

Save $28.53
Ko-ken RS3010MZ/8-L75 3/8 Sq. Dr. Bit Socket set 3-12mm Hex 200mm Z-series 8 pieces

Ko-ken RS3010MZ/8-L75 3/8 Sq. Dr. Bit Socket set 3-12mm Hex 200mm Z-series 8 pieces

SKU: KK-RS3010MZ/8-L75
MPN: RS3010MZ/8-L75

Save $32.21
Ko-ken RS3025Z/8-L50 3/8 Sq. Dr. Bit Socket set TORX T20-T55 200mm Z-series 8 pieces

Ko-ken RS3025Z/8-L50 3/8 Sq. Dr. Bit Socket set TORX T20-T55 200mm Z-series 8 pieces

SKU: KK-RS3025Z/8-L50
MPN: RS3025Z/8-L50

Save $32.41
Ko-ken RS3025Z/8-L75 3/8 Sq. Dr. Bit Socket set TORX T20-T55 200mm Z-series 8 pieces

Ko-ken RS3025Z/8-L75 3/8 Sq. Dr. Bit Socket set TORX T20-T55 200mm Z-series 8 pieces

SKU: KK-RS3025Z/8-L75
MPN: RS3025Z/8-L75

Save $38.61
Ko-ken RS3300MZ/12 3/8 Sq. Dr. Socket set 7-19mm 6 point 300mm Z-series 12 pieces

Ko-ken RS3300MZ/12 3/8 Sq. Dr. Socket set 7-19mm 6 point 300mm Z-series 12 pieces

SKU: KK-RS3300MZ/12
MPN: RS3300MZ/12

Save $42.80
Ko-ken RS3300MZ/8 3/8 Sq. Dr. Socket set 8-19mm 6 point 200mm Z-series 8 pieces

Ko-ken RS3300MZ/8 3/8 Sq. Dr. Socket set 8-19mm 6 point 200mm Z-series 8 pieces

SKU: KK-RS3300MZ/8
MPN: RS3300MZ/8

Save $29.37
Ko-ken RS3300XZ/12 3/8 Sq. Dr. Socket set 7-19mm 6 point 300mm Z-series 12 pieces

Ko-ken RS3300XZ/12 3/8 Sq. Dr. Socket set 7-19mm 6 point 300mm Z-series 12 pieces

SKU: KK-RS3300XZ/12
MPN: RS3300XZ/12

Save $42.07
Ko-ken RS3300XZ/8 3/8 Sq. Dr. Socket set 8-19mm 6 point 200mm Z-series 8 pieces

Ko-ken RS3300XZ/8 3/8 Sq. Dr. Socket set 8-19mm 6 point 200mm Z-series 8 pieces

SKU: KK-RS3300XZ/8
MPN: RS3300XZ/8

Save $29.06
Ko-ken RS3400MZ/12 3/8 Sq. Dr. Socket set 7-19mm 6 point 300mm Z-series 12 pieces

Ko-ken RS3400MZ/12 3/8 Sq. Dr. Socket set 7-19mm 6 point 300mm Z-series 12 pieces

SKU: KK-RS3400MZ/12
MPN: RS3400MZ/12

Save $30.01
Ko-ken RS3400MZ/8 3/8 Sq. Dr. Socket set 8-19mm 6 point 200mm Z-series 8 pieces

Ko-ken RS3400MZ/8 3/8 Sq. Dr. Socket set 8-19mm 6 point 200mm Z-series 8 pieces

SKU: KK-RS3400MZ/8
MPN: RS3400MZ/8

Save $20.87
Ko-ken RS3X00MZ/12 3/8 Sq. Dr. Socket set 8-19mm 6 point 300mm Z-series 12 pieces

Ko-ken RS3X00MZ/12 3/8 Sq. Dr. Socket set 8-19mm 6 point 300mm Z-series 12 pieces

SKU: KK-RS3X00MZ/12
MPN: RS3X00MZ/12

Save $33.25
Ko-ken RS4400MZ/10 1/2 Sq. Dr. Socket set 10-27mm 6 point 300mm Z-series 10 pieces

Ko-ken RS4400MZ/10 1/2 Sq. Dr. Socket set 10-27mm 6 point 300mm Z-series 10 pieces

SKU: KK-RS4400MZ/10
MPN: RS4400MZ/10

Save $34.09
Ko-ken RSAL-200 Magnetic Aluminum Rail 200mm

Ko-ken RSAL-200 Magnetic Aluminum Rail 200mm

SKU: KK-RSAL-200
MPN: RSAL-200

Save $8.30
Ko-ken RSAL-300 Magnetic Aluminum Rail 300mm

Ko-ken RSAL-300 Magnetic Aluminum Rail 300mm

SKU: KK-RSAL-300
MPN: RSAL-300

Save $9.60
Ko-ken RSAL-400 Magnetic Aluminum Rail 400mm

Ko-ken RSAL-400 Magnetic Aluminum Rail 400mm

SKU: KK-RSAL-400
MPN: RSAL-400

Save $13.08
Ko-ken RSAL200-1/4X12 Magnetic Aluminum Rail 1/4 Plastic Clip x 12 pieces 200mm

Ko-ken RSAL200-1/4X12 Magnetic Aluminum Rail 1/4 Plastic Clip x 12 pieces 200mm

SKU: KK-RSAL200-1/4X12
MPN: RSAL200-1/4X12

Save $9.62
Ko-ken RSAL200-3/8X8 Magnetic Aluminum Rail 3/8 Plastic Clip x 8 pieces 200mm

Ko-ken RSAL200-3/8X8 Magnetic Aluminum Rail 3/8 Plastic Clip x 8 pieces 200mm

SKU: KK-RSAL200-3/8X8
MPN: RSAL200-3/8X8

Save $9.11