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 3012A.62-5/32 3/8 Sq. Dr. Bit Socket  5/32 Hex Length 62mm

Ko-ken 3012A.62-5/32 3/8 Sq. Dr. Bit Socket 5/32 Hex Length 62mm

SKU: KK-3012A.62-5/32
MPN: 3012A.62-5/32

Sale price $11.94 List price $14.92
Save $2.98
Ko-ken 3012A.62-7/16 3/8 Sq. Dr. Bit Socket  7/16 Hex Length 62mm

Ko-ken 3012A.62-7/16 3/8 Sq. Dr. Bit Socket 7/16 Hex Length 62mm

SKU: KK-3012A.62-7/16
MPN: 3012A.62-7/16

Sale price $12.92 List price $16.15
Save $3.23
Ko-ken 3012A.62-7/32 3/8 Sq. Dr. Bit Socket  7/32 Hex Length 62mm

Ko-ken 3012A.62-7/32 3/8 Sq. Dr. Bit Socket 7/32 Hex Length 62mm

SKU: KK-3012A.62-7/32
MPN: 3012A.62-7/32

Sale price $11.94 List price $14.92
Save $2.98
Ko-ken 3012A.62-9/16 3/8 Sq. Dr. Bit Socket  9/16 Hex Length 62mm

Ko-ken 3012A.62-9/16 3/8 Sq. Dr. Bit Socket 9/16 Hex Length 62mm

SKU: KK-3012A.62-9/16
MPN: 3012A.62-9/16

Sale price $13.20 List price $16.49
Save $3.29
Ko-ken 3012A.62-9/32 3/8 Sq. Dr. Bit Socket  9/32 Hex Length 62mm

Ko-ken 3012A.62-9/32 3/8 Sq. Dr. Bit Socket 9/32 Hex Length 62mm

SKU: KK-3012A.62-9/32
MPN: 3012A.62-9/32

Sale price $11.94 List price $14.92
Save $2.98
Ko-ken 3012A.75-1/2 3/8 Sq. Dr. Bit Socket  1/2 Hex Length 75mm

Ko-ken 3012A.75-1/2 3/8 Sq. Dr. Bit Socket 1/2 Hex Length 75mm

SKU: KK-3012A.75-1/2
MPN: 3012A.75-1/2

Sale price $14.48 List price $18.09
Save $3.61
Ko-ken 3012A.75-1/4 3/8 Sq. Dr. Bit Socket  1/4 Hex Length 75mm

Ko-ken 3012A.75-1/4 3/8 Sq. Dr. Bit Socket 1/4 Hex Length 75mm

SKU: KK-3012A.75-1/4
MPN: 3012A.75-1/4

Sale price $12.84 List price $16.05
Save $3.21
Ko-ken 3012A.75-1/8 3/8 Sq. Dr. Bit Socket  1/8 Hex Length 75mm

Ko-ken 3012A.75-1/8 3/8 Sq. Dr. Bit Socket 1/8 Hex Length 75mm

SKU: KK-3012A.75-1/8
MPN: 3012A.75-1/8

Sale price $12.84 List price $16.05
Save $3.21
Ko-ken 3012A.75-11/32 3/8 Sq. Dr. Bit Socket  11/32 Hex Length 75mm

Ko-ken 3012A.75-11/32 3/8 Sq. Dr. Bit Socket 11/32 Hex Length 75mm

SKU: KK-3012A.75-11/32
MPN: 3012A.75-11/32

Sale price $13.33 List price $16.66
Save $3.33
Ko-ken 3012A.75-3/16 3/8 Sq. Dr. Bit Socket  3/16 Hex Length 75mm

Ko-ken 3012A.75-3/16 3/8 Sq. Dr. Bit Socket 3/16 Hex Length 75mm

SKU: KK-3012A.75-3/16
MPN: 3012A.75-3/16

Sale price $12.84 List price $16.05
Save $3.21
Ko-ken 3012A.75-3/8 3/8 Sq. Dr. Bit Socket  3/8 Hex Length 75mm

Ko-ken 3012A.75-3/8 3/8 Sq. Dr. Bit Socket 3/8 Hex Length 75mm

SKU: KK-3012A.75-3/8
MPN: 3012A.75-3/8

Sale price $13.33 List price $16.66
Save $3.33
Ko-ken 3012A.75-5/16 3/8 Sq. Dr. Bit Socket  5/16 Hex Length 75mm

Ko-ken 3012A.75-5/16 3/8 Sq. Dr. Bit Socket 5/16 Hex Length 75mm

SKU: KK-3012A.75-5/16
MPN: 3012A.75-5/16

Sale price $12.84 List price $16.05
Save $3.21
Ko-ken 3012A.75-5/32 3/8 Sq. Dr. Bit Socket  5/32 Hex Length 75mm

Ko-ken 3012A.75-5/32 3/8 Sq. Dr. Bit Socket 5/32 Hex Length 75mm

SKU: KK-3012A.75-5/32
MPN: 3012A.75-5/32

Sale price $12.84 List price $16.05
Save $3.21
Ko-ken 3012A.75-7/16 3/8 Sq. Dr. Bit Socket  7/16 Hex Length 75mm

Ko-ken 3012A.75-7/16 3/8 Sq. Dr. Bit Socket 7/16 Hex Length 75mm

SKU: KK-3012A.75-7/16
MPN: 3012A.75-7/16

Sale price $14.01 List price $17.51
Save $3.50
Ko-ken 3012A.75-7/32 3/8 Sq. Dr. Bit Socket  7/32 Hex Length 75mm

Ko-ken 3012A.75-7/32 3/8 Sq. Dr. Bit Socket 7/32 Hex Length 75mm

SKU: KK-3012A.75-7/32
MPN: 3012A.75-7/32

Sale price $12.84 List price $16.05
Save $3.21
Ko-ken 3012A.75-9/16 3/8 Sq. Dr. Bit Socket  9/16 Hex Length 75mm

Ko-ken 3012A.75-9/16 3/8 Sq. Dr. Bit Socket 9/16 Hex Length 75mm

SKU: KK-3012A.75-9/16
MPN: 3012A.75-9/16

Sale price $14.48 List price $18.09
Save $3.61
Ko-ken 3012A.75-9/32 3/8 Sq. Dr. Bit Socket  9/32 Hex Length 75mm

Ko-ken 3012A.75-9/32 3/8 Sq. Dr. Bit Socket 9/32 Hex Length 75mm

SKU: KK-3012A.75-9/32
MPN: 3012A.75-9/32

Sale price $12.84 List price $16.05
Save $3.21
Ko-ken 3012M.25-10 3/8 Sq. Dr. Bit Socket  10mm Hex Length 25mm

Ko-ken 3012M.25-10 3/8 Sq. Dr. Bit Socket 10mm Hex Length 25mm

SKU: KK-3012M.25-10
MPN: 3012M.25-10

Sale price $13.72 List price $17.14
Save $3.42
Ko-ken 3012M.25-12 3/8 Sq. Dr. Bit Socket  12mm Hex Length 25mm

Ko-ken 3012M.25-12 3/8 Sq. Dr. Bit Socket 12mm Hex Length 25mm

SKU: KK-3012M.25-12
MPN: 3012M.25-12

Sale price $13.33 List price $16.66
Save $3.33
Ko-ken 3012M.25-14 3/8 Sq. Dr. Bit Socket  14mm Hex Length 25mm

Ko-ken 3012M.25-14 3/8 Sq. Dr. Bit Socket 14mm Hex Length 25mm

SKU: KK-3012M.25-14
MPN: 3012M.25-14

Sale price $13.33 List price $16.66
Save $3.33
Ko-ken 3012M.25-17 3/8 Sq. Dr. Bit Socket  17mm Hex Length 25mm

Ko-ken 3012M.25-17 3/8 Sq. Dr. Bit Socket 17mm Hex Length 25mm

SKU: KK-3012M.25-17
MPN: 3012M.25-17

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

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

SKU: KK-3012M.25-3
MPN: 3012M.25-3

Sale price $13.72 List price $17.14
Save $3.42
Ko-ken 3012M.25-4 3/8 Sq. Dr. Bit Socket  4mm Hex Length 25mm

Ko-ken 3012M.25-4 3/8 Sq. Dr. Bit Socket 4mm Hex Length 25mm

SKU: KK-3012M.25-4
MPN: 3012M.25-4

Sale price $13.72 List price $17.14
Save $3.42
Ko-ken 3012M.25-5 3/8 Sq. Dr. Bit Socket  5mm Hex Length 25mm

Ko-ken 3012M.25-5 3/8 Sq. Dr. Bit Socket 5mm Hex Length 25mm

SKU: KK-3012M.25-5
MPN: 3012M.25-5

Sale price $13.72 List price $17.14
Save $3.42