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 3010M.38-10 3/8 Sq. Dr. Bit Socket  10mm Hex Length 38mm

Ko-ken 3010M.38-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 38mm

SKU: KK-3010M.38-10
MPN: 3010M.38-10

Sale price $8.76 List price $10.95
Save $2.19
Ko-ken 3010M.38-11 3/8 Sq. Dr. Bit Socket  11mm Hex Length 38mm

Ko-ken 3010M.38-11 3/8 Sq. Dr. Bit Socket 11mm Hex Length 38mm

SKU: KK-3010M.38-11
MPN: 3010M.38-11

Sale price $8.76 List price $10.95
Save $2.19
Ko-ken 3010M.38-12 3/8 Sq. Dr. Bit Socket  12mm Hex Length 38mm

Ko-ken 3010M.38-12 3/8 Sq. Dr. Bit Socket 12mm Hex Length 38mm

SKU: KK-3010M.38-12
MPN: 3010M.38-12

Sale price $8.81 List price $11.01
Save $2.20
Ko-ken 3010M.38-13 3/8 Sq. Dr. Bit Socket  13mm Hex Length 38mm

Ko-ken 3010M.38-13 3/8 Sq. Dr. Bit Socket 13mm Hex Length 38mm

SKU: KK-3010M.38-13
MPN: 3010M.38-13

Sale price $11.44 List price $14.30
Save $2.86
Ko-ken 3010M.38-14 3/8 Sq. Dr. Bit Socket  14mm Hex Length 38mm

Ko-ken 3010M.38-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 38mm

SKU: KK-3010M.38-14
MPN: 3010M.38-14

Sale price $11.44 List price $14.30
Save $2.86
Ko-ken 3010M.38-3 3/8 Sq. Dr. Bit Socket  3mm Hex Length 38mm

Ko-ken 3010M.38-3 3/8 Sq. Dr. Bit Socket 3mm Hex Length 38mm

SKU: KK-3010M.38-3
MPN: 3010M.38-3

Sale price $8.08 List price $10.10
Save $2.02
Ko-ken 3010M.38-4 3/8 Sq. Dr. Bit Socket  4mm Hex Length 38mm

Ko-ken 3010M.38-4 3/8 Sq. Dr. Bit Socket 4mm Hex Length 38mm

SKU: KK-3010M.38-4
MPN: 3010M.38-4

Sale price $8.08 List price $10.10
Save $2.02
Ko-ken 3010M.38-5 3/8 Sq. Dr. Bit Socket  5mm Hex Length 38mm

Ko-ken 3010M.38-5 3/8 Sq. Dr. Bit Socket 5mm Hex Length 38mm

SKU: KK-3010M.38-5
MPN: 3010M.38-5

Sale price $8.08 List price $10.10
Save $2.02
Ko-ken 3010M.38-6 3/8 Sq. Dr. Bit Socket  6mm Hex Length 38mm

Ko-ken 3010M.38-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 38mm

SKU: KK-3010M.38-6
MPN: 3010M.38-6

Sale price $8.08 List price $10.10
Save $2.02
Ko-ken 3010M.38-7 3/8 Sq. Dr. Bit Socket  7mm Hex Length 38mm

Ko-ken 3010M.38-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 38mm

SKU: KK-3010M.38-7
MPN: 3010M.38-7

Sale price $8.08 List price $10.10
Save $2.02
Ko-ken 3010M.38-8 3/8 Sq. Dr. Bit Socket  8mm Hex Length 38mm

Ko-ken 3010M.38-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 38mm

SKU: KK-3010M.38-8
MPN: 3010M.38-8

Sale price $8.08 List price $10.10
Save $2.02
Ko-ken 3010M.38-9 3/8 Sq. Dr. Bit Socket  9mm Hex Length 38mm

Ko-ken 3010M.38-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 38mm

SKU: KK-3010M.38-9
MPN: 3010M.38-9

Sale price $8.76 List price $10.95
Save $2.19
Ko-ken 3010M.62-10 3/8 Sq. Dr. Bit Socket  10mm Hex Length 62mm

Ko-ken 3010M.62-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 62mm

SKU: KK-3010M.62-10
MPN: 3010M.62-10

Sale price $9.60 List price $11.99
Save $2.39
Ko-ken 3010M.62-11 3/8 Sq. Dr. Bit Socket  11mm Hex Length 62mm

Ko-ken 3010M.62-11 3/8 Sq. Dr. Bit Socket 11mm Hex Length 62mm

SKU: KK-3010M.62-11
MPN: 3010M.62-11

Sale price $10.05 List price $12.56
Save $2.51
Ko-ken 3010M.62-12 3/8 Sq. Dr. Bit Socket  12mm Hex Length 62mm

Ko-ken 3010M.62-12 3/8 Sq. Dr. Bit Socket 12mm Hex Length 62mm

SKU: KK-3010M.62-12
MPN: 3010M.62-12

Sale price $10.05 List price $12.56
Save $2.51
Ko-ken 3010M.62-13 3/8 Sq. Dr. Bit Socket  13mm Hex Length 62mm

Ko-ken 3010M.62-13 3/8 Sq. Dr. Bit Socket 13mm Hex Length 62mm

SKU: KK-3010M.62-13
MPN: 3010M.62-13

Sale price $11.68 List price $14.60
Save $2.92
Ko-ken 3010M.62-14 3/8 Sq. Dr. Bit Socket  14mm Hex Length 62mm

Ko-ken 3010M.62-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 62mm

SKU: KK-3010M.62-14
MPN: 3010M.62-14

Sale price $11.68 List price $14.60
Save $2.92
Ko-ken 3010M.62-3 3/8 Sq. Dr. Bit Socket  3mm Hex Length 62mm

Ko-ken 3010M.62-3 3/8 Sq. Dr. Bit Socket 3mm Hex Length 62mm

SKU: KK-3010M.62-3
MPN: 3010M.62-3

Sale price $8.96 List price $11.19
Save $2.23
Ko-ken 3010M.62-4 3/8 Sq. Dr. Bit Socket  4mm Hex Length 62mm

Ko-ken 3010M.62-4 3/8 Sq. Dr. Bit Socket 4mm Hex Length 62mm

SKU: KK-3010M.62-4
MPN: 3010M.62-4

Sale price $8.96 List price $11.19
Save $2.23
Ko-ken 3010M.62-5 3/8 Sq. Dr. Bit Socket  5mm Hex Length 62mm

Ko-ken 3010M.62-5 3/8 Sq. Dr. Bit Socket 5mm Hex Length 62mm

SKU: KK-3010M.62-5
MPN: 3010M.62-5

Sale price $8.96 List price $11.19
Save $2.23
Ko-ken 3010M.62-6 3/8 Sq. Dr. Bit Socket  6mm Hex Length 62mm

Ko-ken 3010M.62-6 3/8 Sq. Dr. Bit Socket 6mm Hex Length 62mm

SKU: KK-3010M.62-6
MPN: 3010M.62-6

Sale price $8.96 List price $11.19
Save $2.23
Ko-ken 3010M.62-7 3/8 Sq. Dr. Bit Socket  7mm Hex Length 62mm

Ko-ken 3010M.62-7 3/8 Sq. Dr. Bit Socket 7mm Hex Length 62mm

SKU: KK-3010M.62-7
MPN: 3010M.62-7

Sale price $9.23 List price $11.53
Save $2.30
Ko-ken 3010M.62-8 3/8 Sq. Dr. Bit Socket  8mm Hex Length 62mm

Ko-ken 3010M.62-8 3/8 Sq. Dr. Bit Socket 8mm Hex Length 62mm

SKU: KK-3010M.62-8
MPN: 3010M.62-8

Sale price $9.23 List price $11.53
Save $2.30
Ko-ken 3010M.62-9 3/8 Sq. Dr. Bit Socket  9mm Hex Length 62mm

Ko-ken 3010M.62-9 3/8 Sq. Dr. Bit Socket 9mm Hex Length 62mm

SKU: KK-3010M.62-9
MPN: 3010M.62-9

Sale price $9.60 List price $11.99
Save $2.39