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KK Hand Tools

Freer Tool & Supply is your trusted, ISO-certified source for Ko-Ken hand tools—delivering the complete lineup of sockets, ratchets, breaker bars, extension bars, and specialty tools engineered for professional results. Every Ko-Ken hand tool is crafted from high-grade chrome vanadium steel and undergoes precision heat treatment, ensuring exceptional durability and long-term performance in demanding industrial and automotive environments.


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 3305A-7/16 3/8 Sq. Dr. Socket 7/16 12 point Length 55mm

Ko-ken 3305A-7/16 3/8 Sq. Dr. Socket 7/16 12 point Length 55mm

SKU: KK-3305A-7/16
MPN: 3305A-7/16

Save $2.48
Ko-ken 3305A-7/32 3/8 Sq. Dr. Socket 7/32 12 point Length 55mm

Ko-ken 3305A-7/32 3/8 Sq. Dr. Socket 7/32 12 point Length 55mm

SKU: KK-3305A-7/32
MPN: 3305A-7/32

Save $2.48
Ko-ken 3305A-7/8 3/8 Sq. Dr. Socket 7/8 12 point Length 65mm

Ko-ken 3305A-7/8 3/8 Sq. Dr. Socket 7/8 12 point Length 65mm

SKU: KK-3305A-7/8
MPN: 3305A-7/8

Save $4.08
Ko-ken 3305A-9/16 3/8 Sq. Dr. Socket 9/16 12 point Length 55mm

Ko-ken 3305A-9/16 3/8 Sq. Dr. Socket 9/16 12 point Length 55mm

SKU: KK-3305A-9/16
MPN: 3305A-9/16

Save $2.64
Ko-ken 3305M-10 3/8 Sq. Dr. Socket 10mm 12 point Length 55mm

Ko-ken 3305M-10 3/8 Sq. Dr. Socket 10mm 12 point Length 55mm

SKU: KK-3305M-10
MPN: 3305M-10

Save $2.25
Ko-ken 3305M-10(L120) 3/8 Sq. Dr. Socket 10mm 12 point Length 120mm

Ko-ken 3305M-10(L120) 3/8 Sq. Dr. Socket 10mm 12 point Length 120mm

SKU: KK-3305M-10(L120)
MPN: 3305M-10(L120)

Save $8.82
Ko-ken 3305M-11 3/8 Sq. Dr. Socket 11mm 12 point Length 55mm

Ko-ken 3305M-11 3/8 Sq. Dr. Socket 11mm 12 point Length 55mm

SKU: KK-3305M-11
MPN: 3305M-11

Save $2.25
Ko-ken 3305M-12 3/8 Sq. Dr. Socket 12mm 12 point Length 55mm

Ko-ken 3305M-12 3/8 Sq. Dr. Socket 12mm 12 point Length 55mm

SKU: KK-3305M-12
MPN: 3305M-12

Save $2.25
Ko-ken 3305M-12(L120) 3/8 Sq. Dr. Socket 12mm 12 point Length 120mm

Ko-ken 3305M-12(L120) 3/8 Sq. Dr. Socket 12mm 12 point Length 120mm

SKU: KK-3305M-12(L120)
MPN: 3305M-12(L120)

Save $8.82
Ko-ken 3305M-13 3/8 Sq. Dr. Socket 13mm 12 point Length 55mm

Ko-ken 3305M-13 3/8 Sq. Dr. Socket 13mm 12 point Length 55mm

SKU: KK-3305M-13
MPN: 3305M-13

Save $2.39
Ko-ken 3305M-13(L120) 3/8 Sq. Dr. Socket 13mm 12 point Length 120mm

Ko-ken 3305M-13(L120) 3/8 Sq. Dr. Socket 13mm 12 point Length 120mm

SKU: KK-3305M-13(L120)
MPN: 3305M-13(L120)

Save $9.15
Ko-ken 3305M-14 3/8 Sq. Dr. Socket 14mm 12 point Length 55mm

Ko-ken 3305M-14 3/8 Sq. Dr. Socket 14mm 12 point Length 55mm

SKU: KK-3305M-14
MPN: 3305M-14

Save $2.39
Ko-ken 3305M-14(L120) 3/8 Sq. Dr. Socket 14mm 12 point Length 120mm

Ko-ken 3305M-14(L120) 3/8 Sq. Dr. Socket 14mm 12 point Length 120mm

SKU: KK-3305M-14(L120)
MPN: 3305M-14(L120)

Save $9.42
Ko-ken 3305M-15 3/8 Sq. Dr. Socket 15mm 12 point Length 55mm

Ko-ken 3305M-15 3/8 Sq. Dr. Socket 15mm 12 point Length 55mm

SKU: KK-3305M-15
MPN: 3305M-15

Save $2.53
Ko-ken 3305M-16 3/8 Sq. Dr. Socket 16mm 12 point Length 55mm

Ko-ken 3305M-16 3/8 Sq. Dr. Socket 16mm 12 point Length 55mm

SKU: KK-3305M-16
MPN: 3305M-16

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Ko-ken 3305M-17 3/8 Sq. Dr. Socket 17mm 12 point Length 55mm

Ko-ken 3305M-17 3/8 Sq. Dr. Socket 17mm 12 point Length 55mm

SKU: KK-3305M-17
MPN: 3305M-17

Save $2.53
Ko-ken 3305M-18 3/8 Sq. Dr. Socket 18mm 12 point Length 55mm

Ko-ken 3305M-18 3/8 Sq. Dr. Socket 18mm 12 point Length 55mm

SKU: KK-3305M-18
MPN: 3305M-18

Save $2.95
Ko-ken 3305M-19 3/8 Sq. Dr. Socket 19mm 12 point Length 55mm

Ko-ken 3305M-19 3/8 Sq. Dr. Socket 19mm 12 point Length 55mm

SKU: KK-3305M-19
MPN: 3305M-19

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Ko-ken 3305M-20 3/8 Sq. Dr. Socket 20mm 12 point Length 65mm

Ko-ken 3305M-20 3/8 Sq. Dr. Socket 20mm 12 point Length 65mm

SKU: KK-3305M-20
MPN: 3305M-20

Save $3.57
Ko-ken 3305M-21 3/8 Sq. Dr. Socket 21mm 12 point Length 65mm

Ko-ken 3305M-21 3/8 Sq. Dr. Socket 21mm 12 point Length 65mm

SKU: KK-3305M-21
MPN: 3305M-21

Save $3.57
Ko-ken 3305M-22 3/8 Sq. Dr. Socket 22mm 12 point Length 65mm

Ko-ken 3305M-22 3/8 Sq. Dr. Socket 22mm 12 point Length 65mm

SKU: KK-3305M-22
MPN: 3305M-22

Save $3.71
Ko-ken 3305M-23 3/8 Sq. Dr. Socket 23mm 12 point Length 65mm

Ko-ken 3305M-23 3/8 Sq. Dr. Socket 23mm 12 point Length 65mm

SKU: KK-3305M-23
MPN: 3305M-23

Save $3.89
Ko-ken 3305M-24 3/8 Sq. Dr. Socket 24mm 12 point Length 65mm

Ko-ken 3305M-24 3/8 Sq. Dr. Socket 24mm 12 point Length 65mm

SKU: KK-3305M-24
MPN: 3305M-24

Save $4.10
Ko-ken 3305M-25 3/8 Sq. Dr. Socket 25mm 12 point Length 65mm

Ko-ken 3305M-25 3/8 Sq. Dr. Socket 25mm 12 point Length 65mm

SKU: KK-3305M-25
MPN: 3305M-25

Save $5.31