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 3012M.25-6 3/8 Sq. Dr. Bit Socket  6mm Hex Length 25mm

Ko-ken 3012M.25-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 25mm

SKU: KK-3012M.25-6
MPN: 3012M.25-6

Sale price $13.72 List price $17.14
Save $3.42
Ko-ken 3012M.25-7 3/8 Sq. Dr. Bit Socket  7mm Hex Length 25mm

Ko-ken 3012M.25-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 25mm

SKU: KK-3012M.25-7
MPN: 3012M.25-7

Sale price $13.72 List price $17.14
Save $3.42
Ko-ken 3012M.25-8 3/8 Sq. Dr. Bit Socket  8mm Hex Length 25mm

Ko-ken 3012M.25-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 25mm

SKU: KK-3012M.25-8
MPN: 3012M.25-8

Sale price $13.72 List price $17.14
Save $3.42
Ko-ken 3012M.52-10 3/8 Sq. Dr. Bit Socket  10mm Hex Length 52mm

Ko-ken 3012M.52-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 52mm

SKU: KK-3012M.52-10
MPN: 3012M.52-10

Sale price $10.74 List price $13.42
Save $2.68
Ko-ken 3012M.52-11 3/8 Sq. Dr. Bit Socket  11mm Hex Length 52mm

Ko-ken 3012M.52-11 3/8 Sq. Dr. Bit Socket 11mm Hex Length 52mm

SKU: KK-3012M.52-11
MPN: 3012M.52-11

Sale price $11.04 List price $13.79
Save $2.75
Ko-ken 3012M.52-12 3/8 Sq. Dr. Bit Socket  12mm Hex Length 52mm

Ko-ken 3012M.52-12 3/8 Sq. Dr. Bit Socket 12mm Hex Length 52mm

SKU: KK-3012M.52-12
MPN: 3012M.52-12

Sale price $11.04 List price $13.79
Save $2.75
Ko-ken 3012M.52-13 3/8 Sq. Dr. Bit Socket  13mm Hex Length 52mm

Ko-ken 3012M.52-13 3/8 Sq. Dr. Bit Socket 13mm Hex Length 52mm

SKU: KK-3012M.52-13
MPN: 3012M.52-13

Sale price $11.04 List price $13.79
Save $2.75
Ko-ken 3012M.52-14 3/8 Sq. Dr. Bit Socket  14mm Hex Length 52mm

Ko-ken 3012M.52-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 52mm

SKU: KK-3012M.52-14
MPN: 3012M.52-14

Sale price $11.04 List price $13.79
Save $2.75
Ko-ken 3012M.52-3 3/8 Sq. Dr. Bit Socket  3mm Hex Length 52mm

Ko-ken 3012M.52-3 3/8 Sq. Dr. Bit Socket 3mm Hex Length 52mm

SKU: KK-3012M.52-3
MPN: 3012M.52-3

Sale price $9.76 List price $12.19
Save $2.43
Ko-ken 3012M.52-4 3/8 Sq. Dr. Bit Socket  4mm Hex Length 52mm

Ko-ken 3012M.52-4 3/8 Sq. Dr. Bit Socket 4mm Hex Length 52mm

SKU: KK-3012M.52-4
MPN: 3012M.52-4

Sale price $9.76 List price $12.19
Save $2.43
Ko-ken 3012M.52-5 3/8 Sq. Dr. Bit Socket  5mm Hex Length 52mm

Ko-ken 3012M.52-5 3/8 Sq. Dr. Bit Socket 5mm Hex Length 52mm

SKU: KK-3012M.52-5
MPN: 3012M.52-5

Sale price $9.76 List price $12.19
Save $2.43
Ko-ken 3012M.52-6 3/8 Sq. Dr. Bit Socket  6mm Hex Length 52mm

Ko-ken 3012M.52-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 52mm

SKU: KK-3012M.52-6
MPN: 3012M.52-6

Sale price $9.76 List price $12.19
Save $2.43
Ko-ken 3012M.52-7 3/8 Sq. Dr. Bit Socket  7mm Hex Length 52mm

Ko-ken 3012M.52-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 52mm

SKU: KK-3012M.52-7
MPN: 3012M.52-7

Sale price $9.76 List price $12.19
Save $2.43
Ko-ken 3012M.52-8 3/8 Sq. Dr. Bit Socket  8mm Hex Length 52mm

Ko-ken 3012M.52-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 52mm

SKU: KK-3012M.52-8
MPN: 3012M.52-8

Sale price $9.76 List price $12.19
Save $2.43
Ko-ken 3012M.52-9 3/8 Sq. Dr. Bit Socket  9mm Hex Length 52mm

Ko-ken 3012M.52-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 52mm

SKU: KK-3012M.52-9
MPN: 3012M.52-9

Sale price $10.74 List price $13.42
Save $2.68
Ko-ken 3012M.62-10 3/8 Sq. Dr. Bit Socket  10mm Hex Length 62mm

Ko-ken 3012M.62-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 62mm

SKU: KK-3012M.62-10
MPN: 3012M.62-10

Sale price $11.12 List price $13.89
Save $2.77
Ko-ken 3012M.62-11 3/8 Sq. Dr. Bit Socket  11mm Hex Length 62mm

Ko-ken 3012M.62-11 3/8 Sq. Dr. Bit Socket 11mm Hex Length 62mm

SKU: KK-3012M.62-11
MPN: 3012M.62-11

Sale price $11.75 List price $14.68
Save $2.93
Ko-ken 3012M.62-12 3/8 Sq. Dr. Bit Socket  12mm Hex Length 62mm

Ko-ken 3012M.62-12 3/8 Sq. Dr. Bit Socket 12mm Hex Length 62mm

SKU: KK-3012M.62-12
MPN: 3012M.62-12

Sale price $11.75 List price $14.68
Save $2.93
Ko-ken 3012M.62-13 3/8 Sq. Dr. Bit Socket  13mm Hex Length 62mm

Ko-ken 3012M.62-13 3/8 Sq. Dr. Bit Socket 13mm Hex Length 62mm

SKU: KK-3012M.62-13
MPN: 3012M.62-13

Sale price $11.97 List price $14.96
Save $2.99
Ko-ken 3012M.62-14 3/8 Sq. Dr. Bit Socket  14mm Hex Length 62mm

Ko-ken 3012M.62-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 62mm

SKU: KK-3012M.62-14
MPN: 3012M.62-14

Sale price $11.97 List price $14.96
Save $2.99
Ko-ken 3012M.62-3 3/8 Sq. Dr. Bit Socket  3mm Hex Length 62mm

Ko-ken 3012M.62-3 3/8 Sq. Dr. Bit Socket 3mm Hex Length 62mm

SKU: KK-3012M.62-3
MPN: 3012M.62-3

Sale price $10.84 List price $13.55
Save $2.71
Ko-ken 3012M.62-4 3/8 Sq. Dr. Bit Socket  4mm Hex Length 62mm

Ko-ken 3012M.62-4 3/8 Sq. Dr. Bit Socket 4mm Hex Length 62mm

SKU: KK-3012M.62-4
MPN: 3012M.62-4

Sale price $10.84 List price $13.55
Save $2.71
Ko-ken 3012M.62-5 3/8 Sq. Dr. Bit Socket  5mm Hex Length 62mm

Ko-ken 3012M.62-5 3/8 Sq. Dr. Bit Socket 5mm Hex Length 62mm

SKU: KK-3012M.62-5
MPN: 3012M.62-5

Sale price $10.84 List price $13.55
Save $2.71
Ko-ken 3012M.62-6 3/8 Sq. Dr. Bit Socket  6mm Hex Length 62mm

Ko-ken 3012M.62-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 62mm

SKU: KK-3012M.62-6
MPN: 3012M.62-6

Sale price $10.84 List price $13.55
Save $2.71