KK Hand Tools

Ko-Ken hand tools include professional-grade tools and accessories used for assembly, maintenance, and repair in automotive, industrial, and MRO environments (application dependent). Technicians and maintenance teams typically choose these tools for consistent fit on fasteners, durability under daily use, and better access in tight spaces. Because “hand tools” covers many categories, selecting the right item is mainly about matching the tool type and specifications to your fastener sizes, drive system, and working conditions (per listing).


Explore our full range of Ko-Ken hand tools, including:
Standard and deep sockets (metric and SAE)
Ratchets and breaker bars for high-torque applications
Extension bars for hard-to-reach fasteners
Specialty tools and adaptors for unique jobs


Ko-ken 3020.120-M14 3/8 Sq. Dr. Bit Socket XZN M14 Triple Square Length 120mm

Ko-ken 3020.120-M14 3/8 Sq. Dr. Bit Socket XZN M14 Triple Square Length 120mm

SKU: KK-3020.120-M14
MPN: 3020.120-M14

Sale price $17.68 List price $22.09
Save $4.41
Ko-ken 3020.120-M4 3/8 Sq. Dr. Bit Socket XZN M4 Triple Square Length 120mm

Ko-ken 3020.120-M4 3/8 Sq. Dr. Bit Socket XZN M4 Triple Square Length 120mm

SKU: KK-3020.120-M4
MPN: 3020.120-M4

Sale price $14.01 List price $17.51
Save $3.50
Ko-ken 3020.120-M5 3/8 Sq. Dr. Bit Socket XZN M5 Triple Square Length 120mm

Ko-ken 3020.120-M5 3/8 Sq. Dr. Bit Socket XZN M5 Triple Square Length 120mm

SKU: KK-3020.120-M5
MPN: 3020.120-M5

Sale price $14.01 List price $17.51
Save $3.50
Ko-ken 3020.120-M6 3/8 Sq. Dr. Bit Socket XZN M6 Triple Square Length 120mm

Ko-ken 3020.120-M6 3/8 Sq. Dr. Bit Socket XZN M6 Triple Square Length 120mm

SKU: KK-3020.120-M6
MPN: 3020.120-M6

Sale price $14.01 List price $17.51
Save $3.50
Ko-ken 3020.120-M8 3/8 Sq. Dr. Bit Socket XZN M8 Triple Square Length 120mm

Ko-ken 3020.120-M8 3/8 Sq. Dr. Bit Socket XZN M8 Triple Square Length 120mm

SKU: KK-3020.120-M8
MPN: 3020.120-M8

Sale price $14.01 List price $17.51
Save $3.50
Ko-ken 3020.38-M10 3/8 Sq. Dr. Bit Socket XZN M10 Triple Square Length 38mm

Ko-ken 3020.38-M10 3/8 Sq. Dr. Bit Socket XZN M10 Triple Square Length 38mm

SKU: KK-3020.38-M10
MPN: 3020.38-M10

Sale price $12.12 List price $15.15
Save $3.03
Ko-ken 3020.38-M12 3/8 Sq. Dr. Bit Socket XZN M12 Triple Square Length 38mm

Ko-ken 3020.38-M12 3/8 Sq. Dr. Bit Socket XZN M12 Triple Square Length 38mm

SKU: KK-3020.38-M12
MPN: 3020.38-M12

Sale price $12.76 List price $15.95
Save $3.19
Ko-ken 3020.38-M14 3/8 Sq. Dr. Bit Socket XZN M14 Triple Square Length 38mm

Ko-ken 3020.38-M14 3/8 Sq. Dr. Bit Socket XZN M14 Triple Square Length 38mm

SKU: KK-3020.38-M14
MPN: 3020.38-M14

Sale price $14.74 List price $18.42
Save $3.68
Ko-ken 3020.38-M5 3/8 Sq. Dr. Bit Socket XZN M5 Triple Square Length 38mm

Ko-ken 3020.38-M5 3/8 Sq. Dr. Bit Socket XZN M5 Triple Square Length 38mm

SKU: KK-3020.38-M5
MPN: 3020.38-M5

Sale price $11.82 List price $14.77
Save $2.95
Ko-ken 3020.38-M6 3/8 Sq. Dr. Bit Socket XZN M6 Triple Square Length 38mm

Ko-ken 3020.38-M6 3/8 Sq. Dr. Bit Socket XZN M6 Triple Square Length 38mm

SKU: KK-3020.38-M6
MPN: 3020.38-M6

Sale price $11.82 List price $14.77
Save $2.95
Ko-ken 3020.38-M8 3/8 Sq. Dr. Bit Socket XZN M8 Triple Square Length 38mm

Ko-ken 3020.38-M8 3/8 Sq. Dr. Bit Socket XZN M8 Triple Square Length 38mm

SKU: KK-3020.38-M8
MPN: 3020.38-M8

Sale price $12.12 List price $15.15
Save $3.03
Ko-ken 3020.50-M10 3/8 Sq. Dr. Bit Socket XZN M10 Triple Square Length 50mm

Ko-ken 3020.50-M10 3/8 Sq. Dr. Bit Socket XZN M10 Triple Square Length 50mm

SKU: KK-3020.50-M10
MPN: 3020.50-M10

Sale price $12.12 List price $15.15
Save $3.03
Ko-ken 3020.50-M12 3/8 Sq. Dr. Bit Socket XZN M12 Triple Square Length 50mm

Ko-ken 3020.50-M12 3/8 Sq. Dr. Bit Socket XZN M12 Triple Square Length 50mm

SKU: KK-3020.50-M12
MPN: 3020.50-M12

Sale price $12.76 List price $15.95
Save $3.19
Ko-ken 3020.50-M14 3/8 Sq. Dr. Bit Socket XZN M14 Triple Square Length 50mm

Ko-ken 3020.50-M14 3/8 Sq. Dr. Bit Socket XZN M14 Triple Square Length 50mm

SKU: KK-3020.50-M14
MPN: 3020.50-M14

Sale price $14.74 List price $18.42
Save $3.68
Ko-ken 3020.50-M4 3/8 Sq. Dr. Bit Socket XZN M4 Triple Square Length 50mm

Ko-ken 3020.50-M4 3/8 Sq. Dr. Bit Socket XZN M4 Triple Square Length 50mm

SKU: KK-3020.50-M4
MPN: 3020.50-M4

Sale price $11.82 List price $14.77
Save $2.95
Ko-ken 3020.50-M5 3/8 Sq. Dr. Bit Socket XZN M5 Triple Square Length 50mm

Ko-ken 3020.50-M5 3/8 Sq. Dr. Bit Socket XZN M5 Triple Square Length 50mm

SKU: KK-3020.50-M5
MPN: 3020.50-M5

Sale price $11.82 List price $14.77
Save $2.95
Ko-ken 3020.50-M6 3/8 Sq. Dr. Bit Socket XZN M6 Triple Square Length 50mm

Ko-ken 3020.50-M6 3/8 Sq. Dr. Bit Socket XZN M6 Triple Square Length 50mm

SKU: KK-3020.50-M6
MPN: 3020.50-M6

Sale price $11.82 List price $14.77
Save $2.95
Ko-ken 3020.50-M8 3/8 Sq. Dr. Bit Socket XZN M8 Triple Square Length 50mm

Ko-ken 3020.50-M8 3/8 Sq. Dr. Bit Socket XZN M8 Triple Square Length 50mm

SKU: KK-3020.50-M8
MPN: 3020.50-M8

Sale price $12.12 List price $15.15
Save $3.03
Ko-ken 3025.100R-T20 3/8 Sq. Dr. Bit Socket TORX T20 Round shank Length 100mm

Ko-ken 3025.100R-T20 3/8 Sq. Dr. Bit Socket TORX T20 Round shank Length 100mm

SKU: KK-3025.100R-T20
MPN: 3025.100R-T20

Sale price $12.92 List price $16.15
Save $3.23
Ko-ken 3025.100R-T20H 3/8 Sq. Dr. Bit Socket TORX T20H Tamper Resistant Length 100mm Round shank

Ko-ken 3025.100R-T20H 3/8 Sq. Dr. Bit Socket TORX T20H Tamper Resistant Length 100mm Round shank

SKU: KK-3025.100R-T20H
MPN: 3025.100R-T20H

Sale price $13.98 List price $17.47
Save $3.49
Ko-ken 3025.100R-T25 3/8 Sq. Dr. Bit Socket TORX T25 Round shank Length 100mm

Ko-ken 3025.100R-T25 3/8 Sq. Dr. Bit Socket TORX T25 Round shank Length 100mm

SKU: KK-3025.100R-T25
MPN: 3025.100R-T25

Sale price $12.92 List price $16.15
Save $3.23
Ko-ken 3025.100R-T25H 3/8 Sq. Dr. Bit Socket TORX T25H Tamper Resistant Length 100mm Round shank

Ko-ken 3025.100R-T25H 3/8 Sq. Dr. Bit Socket TORX T25H Tamper Resistant Length 100mm Round shank

SKU: KK-3025.100R-T25H
MPN: 3025.100R-T25H

Sale price $13.98 List price $17.47
Save $3.49
Ko-ken 3025.100R-T27 3/8 Sq. Dr. Bit Socket TORX T27 Round shank Length 100mm

Ko-ken 3025.100R-T27 3/8 Sq. Dr. Bit Socket TORX T27 Round shank Length 100mm

SKU: KK-3025.100R-T27
MPN: 3025.100R-T27

Sale price $12.92 List price $16.15
Save $3.23
Ko-ken 3025.100R-T27H 3/8 Sq. Dr. Bit Socket TORX T27H Tamper Resistant Length 100mm Round shank

Ko-ken 3025.100R-T27H 3/8 Sq. Dr. Bit Socket TORX T27H Tamper Resistant Length 100mm Round shank

SKU: KK-3025.100R-T27H
MPN: 3025.100R-T27H

Sale price $13.98 List price $17.47
Save $3.49