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

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Ko-ken 4760-250 1/2 Sq. Dr. Extension Bar Length 250mm

SKU: KK-4760-250
MPN: 4760-250

~~List price $24.56~~

Save $4.91

Ko-ken 4760-300 1/2 Sq. Dr. Extension Bar Length 300mm

SKU: KK-4760-300
MPN: 4760-300

~~List price $30.36~~

Save $6.07

Ko-ken 4760-35 1/2 Sq. Dr. Extension Bar Length 35mm

SKU: KK-4760-35
MPN: 4760-35

~~List price $15.11~~

Save $3.02

Ko-ken 4760-400 1/2 Sq. Dr. Extension Bar Length 400mm

SKU: KK-4760-400
MPN: 4760-400

~~List price $45.52~~

Save $9.10

Ko-ken 4760-50 1/2 Sq. Dr. Extension Bar Length 50mm

SKU: KK-4760-50
MPN: 4760-50

~~List price $15.11~~

Save $3.02

Ko-ken 4760-500 1/2 Sq. Dr. Extension Bar Length 500mm

SKU: KK-4760-500
MPN: 4760-500

~~List price $54.57~~

Save $10.91

Ko-ken 4760-600 1/2 Sq. Dr. Extension Bar Length 600mm

SKU: KK-4760-600
MPN: 4760-600

~~List price $57.71~~

Save $11.54

Ko-ken 4760-75 1/2 Sq. Dr. Extension Bar Length 75mm

SKU: KK-4760-75
MPN: 4760-75

~~List price $15.11~~

Save $3.02

Ko-ken 4760-900 1/2 Sq. Dr. Extension Bar Length 900mm

SKU: KK-4760-900
MPN: 4760-900

~~List price $119.08~~

Save $23.81

Ko-ken 4760Z-125 1/2 Sq. Dr. Extension Bar 1/2 Square Length 125mm Z-series

SKU: KK-4760Z-125
MPN: 4760Z-125

~~List price $31.73~~

Save $6.34

Ko-ken 4760Z-250 1/2 Sq. Dr. Extension Bar 1/2 Square Length 250mm Z-series

SKU: KK-4760Z-250
MPN: 4760Z-250

~~List price $41.03~~

Save $8.20

Ko-ken 4763-125 1/2 Sq. Dr. Wobble-Fix Extension Bar Length 125mm

SKU: KK-4763-125
MPN: 4763-125

~~List price $21.34~~

Save $4.26

Ko-ken 4763-150 1/2 Sq. Dr. Wobble-Fix Extension Bar Length 150mm

SKU: KK-4763-150
MPN: 4763-150

~~List price $31.34~~

Save $6.26

Ko-ken 4763-250 1/2 Sq. Dr. Wobble-Fix Extension Bar Length 250mm

SKU: KK-4763-250
MPN: 4763-250

~~List price $34.28~~

Save $6.85

Ko-ken 4763-400 1/2 Sq. Dr. Wobble-Fix Extension Bar Length 400mm

SKU: KK-4763-400
MPN: 4763-400

~~List price $67.14~~

Save $13.42

Ko-ken 4763-50 1/2 Sq. Dr. Wobble-Fix Extension Bar Length 50mm

SKU: KK-4763-50
MPN: 4763-50

~~List price $15.73~~

Save $3.14

Ko-ken 4763-75 1/2 Sq. Dr. Wobble-Fix Extension Bar Length 75mm

SKU: KK-4763-75
MPN: 4763-75

~~List price $17.84~~

Save $3.56

Ko-ken 6760-100 3/4 Sq. Dr. Extension Bar Length 100mm

SKU: KK-6760-100
MPN: 6760-100

~~List price $33.61~~

Save $6.72

Ko-ken 6760-125 3/4 Sq. Dr. Extension Bar Length 125mm

SKU: KK-6760-125
MPN: 6760-125

~~List price $39.80~~

Save $7.96

Ko-ken 6760-150 3/4 Sq. Dr. Extension Bar Length 150mm

SKU: KK-6760-150
MPN: 6760-150

~~List price $40.60~~

Save $8.12

Ko-ken 6760-200 3/4 Sq. Dr. Extension Bar Length 200mm

SKU: KK-6760-200
MPN: 6760-200

~~List price $40.60~~

Save $8.12

Ko-ken 6760-300 3/4 Sq. Dr. Extension Bar Length 300mm

SKU: KK-6760-300
MPN: 6760-300

~~List price $65.58~~

Save $13.11

Ko-ken 6760-400 3/4 Sq. Dr. Extension Bar Length 400mm

SKU: KK-6760-400
MPN: 6760-400

~~List price $70.30~~

Save $14.06

Ko-ken 6760-75 3/4 Sq. Dr. Extension Bar Length 75mm

SKU: KK-6760-75
MPN: 6760-75

~~List price $31.16~~

Save $6.23