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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 6300M-41 3/4 Sq. Dr. Socket 41mm 6 point Length 90mm

Ko-ken 6300M-41 3/4 Sq. Dr. Socket 41mm 6 point Length 90mm

SKU: KK-6300M-41
MPN: 6300M-41

Save $14.69
Ko-ken 6300M-42 3/4 Sq. Dr. Socket 42mm 6 point Length 90mm

Ko-ken 6300M-42 3/4 Sq. Dr. Socket 42mm 6 point Length 90mm

SKU: KK-6300M-42
MPN: 6300M-42

Save $16.26
Ko-ken 6300M-44 3/4 Sq. Dr. Socket 44mm 6 point Length 90mm

Ko-ken 6300M-44 3/4 Sq. Dr. Socket 44mm 6 point Length 90mm

SKU: KK-6300M-44
MPN: 6300M-44

Save $18.67
Ko-ken 6300M-46 3/4 Sq. Dr. Socket 46mm 6 point Length 90mm

Ko-ken 6300M-46 3/4 Sq. Dr. Socket 46mm 6 point Length 90mm

SKU: KK-6300M-46
MPN: 6300M-46

Save $18.67
Ko-ken 6300M-48 3/4 Sq. Dr. Socket 48mm 6 point Length 90mm

Ko-ken 6300M-48 3/4 Sq. Dr. Socket 48mm 6 point Length 90mm

SKU: KK-6300M-48
MPN: 6300M-48

Save $18.67
Ko-ken 6300M-50 3/4 Sq. Dr. Socket 50mm 6 point Length 90mm

Ko-ken 6300M-50 3/4 Sq. Dr. Socket 50mm 6 point Length 90mm

SKU: KK-6300M-50
MPN: 6300M-50

Save $18.67
Ko-ken 6300M-52 3/4 Sq. Dr. Socket 52mm 6 point Length 100mm

Ko-ken 6300M-52 3/4 Sq. Dr. Socket 52mm 6 point Length 100mm

SKU: KK-6300M-52
MPN: 6300M-52

Save $19.62
Ko-ken 6300M-53 3/4 Sq. Dr. Socket 53mm 6 point Length 100mm

Ko-ken 6300M-53 3/4 Sq. Dr. Socket 53mm 6 point Length 100mm

SKU: KK-6300M-53
MPN: 6300M-53

Save $22.77
Ko-ken 6300M-54 3/4 Sq. Dr. Socket 54mm 6 point Length 100mm

Ko-ken 6300M-54 3/4 Sq. Dr. Socket 54mm 6 point Length 100mm

SKU: KK-6300M-54
MPN: 6300M-54

Save $28.22
Ko-ken 6300M-55 3/4 Sq. Dr. Socket 55mm 6 point Length 100mm

Ko-ken 6300M-55 3/4 Sq. Dr. Socket 55mm 6 point Length 100mm

SKU: KK-6300M-55
MPN: 6300M-55

Save $28.22
Ko-ken 6300M-56 3/4 Sq. Dr. Socket 56mm 6 point Length 100mm

Ko-ken 6300M-56 3/4 Sq. Dr. Socket 56mm 6 point Length 100mm

SKU: KK-6300M-56
MPN: 6300M-56

Save $28.22
Ko-ken 6300M-57 3/4 Sq. Dr. Socket 57mm 6 point Length 100mm

Ko-ken 6300M-57 3/4 Sq. Dr. Socket 57mm 6 point Length 100mm

SKU: KK-6300M-57
MPN: 6300M-57

Save $32.10
Ko-ken 6300M-58 3/4 Sq. Dr. Socket 58mm 6 point Length 100mm

Ko-ken 6300M-58 3/4 Sq. Dr. Socket 58mm 6 point Length 100mm

SKU: KK-6300M-58
MPN: 6300M-58

Save $32.10
Ko-ken 6300M-60 3/4 Sq. Dr. Socket 60mm 6 point Length 100mm

Ko-ken 6300M-60 3/4 Sq. Dr. Socket 60mm 6 point Length 100mm

SKU: KK-6300M-60
MPN: 6300M-60

Save $34.52
Ko-ken 6300M-63 3/4 Sq. Dr. Socket 63mm 6 point Length 100mm

Ko-ken 6300M-63 3/4 Sq. Dr. Socket 63mm 6 point Length 100mm

SKU: KK-6300M-63
MPN: 6300M-63

Save $37.24
Ko-ken 6300M-65 3/4 Sq. Dr. Socket 65mm 6 point Length 100mm

Ko-ken 6300M-65 3/4 Sq. Dr. Socket 65mm 6 point Length 100mm

SKU: KK-6300M-65
MPN: 6300M-65

Save $42.07
Ko-ken 6305A-1 3/4 Sq. Dr. Socket 1 12 point Length 90mm

Ko-ken 6305A-1 3/4 Sq. Dr. Socket 1 12 point Length 90mm

SKU: KK-6305A-1
MPN: 6305A-1

Save $9.33
Ko-ken 6305A-1.1/16 3/4 Sq. Dr. Socket 1.1/16 12 point Length 90mm

Ko-ken 6305A-1.1/16 3/4 Sq. Dr. Socket 1.1/16 12 point Length 90mm

SKU: KK-6305A-1.1/16
MPN: 6305A-1.1/16

Save $9.33
Ko-ken 6305A-1.1/2 3/4 Sq. Dr. Socket 1.1/2 12 point Length 90mm

Ko-ken 6305A-1.1/2 3/4 Sq. Dr. Socket 1.1/2 12 point Length 90mm

SKU: KK-6305A-1.1/2
MPN: 6305A-1.1/2

Save $14.90
Ko-ken 6305A-1.1/4 3/4 Sq. Dr. Socket 1..1/4 12 point Length 90mm

Ko-ken 6305A-1.1/4 3/4 Sq. Dr. Socket 1..1/4 12 point Length 90mm

SKU: KK-6305A-1.1/4
MPN: 6305A-1.1/4

Save $10.70
Ko-ken 6305A-1.1/8 3/4 Sq. Dr. Socket 1.1/8 12 point Length 90mm

Ko-ken 6305A-1.1/8 3/4 Sq. Dr. Socket 1.1/8 12 point Length 90mm

SKU: KK-6305A-1.1/8
MPN: 6305A-1.1/8

Save $10.70
Ko-ken 6305A-1.11/16 3/4 Sq. Dr. Socket 1.11/16 12 point Length 90mm

Ko-ken 6305A-1.11/16 3/4 Sq. Dr. Socket 1.11/16 12 point Length 90mm

SKU: KK-6305A-1.11/16
MPN: 6305A-1.11/16

Save $20.56
Ko-ken 6305A-1.13/16 3/4 Sq. Dr. Socket 1.13/16 12 point Length 90mm

Ko-ken 6305A-1.13/16 3/4 Sq. Dr. Socket 1.13/16 12 point Length 90mm

SKU: KK-6305A-1.13/16
MPN: 6305A-1.13/16

Save $20.56
Ko-ken 6305A-1.3/16 3/4 Sq. Dr. Socket 1.3/16 12 point Length 90mm

Ko-ken 6305A-1.3/16 3/4 Sq. Dr. Socket 1.3/16 12 point Length 90mm

SKU: KK-6305A-1.3/16
MPN: 6305A-1.3/16

Save $10.70