Ko-ken Tool Co., Ltd., established in 1946, has built a strong reputation for producing high-quality, durable tools. Their products are meticulously crafted from premium materials, ensuring longevity and reliability. Ko-ken offers a vast range of precision-engineered tools, including socket wrenches, impact sockets, and specialty automotive and industrial tools. Their expertise spans across professional automotive, aerospace, and industrial applications.
Ko-ken Tool Co., Ltd., established in 1946, has built a strong reputation for producing high-quality, durable tools. Their products are meticulously crafted from premium materials, ensuring longevity and reliability. Ko-ken offers a vast range of precision-engineered tools, including socket wrenches, impact sockets, and specialty automotive and industrial tools. Their expertise spans across professional automotive, aerospace, and industrial applications.
Koken Socket Set 1/2DR 12Pt AF/MET (40pcs) KO4239AM
Ko-ken Tool Co., Ltd., established in 1946, has built a strong reputation for producing high-quality, durable tools. Their products are meticulously crafted from premium materials, ensuring longevity and reliability. Ko-ken offers a vast range of precision-engineered tools, including socket wrenches, impact sockets, and specialty automotive and industrial tools. Their expertise spans across professional automotive, aerospace, and industrial applications.
Ko-ken Tool Co., Ltd., established in 1946, has built a strong reputation for producing high-quality, durable tools. Their products are meticulously crafted from premium materials, ensuring longevity and reliability. Ko-ken offers a vast range of precision-engineered tools, including socket wrenches, impact sockets, and specialty automotive and industrial tools. Their expertise spans across professional automotive, aerospace, and industrial applications.
in 5 offers
The lowest price for Koken Socket Set 1/2DR 12Pt AF/MET (40pcs) KO4239AM right now is $429.00 at housetradesupplies, compared across 5 retailers.
The all-time low was $386.31 on 24 Jan 2024 — today's price is 11% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 9 Sept 2026.
Last updated at 09/09/2026 19:14:55
Koken 40PC 1/2"Dr 12PT AF/Metric Socket Set KO4239AM
Free delivery between 14–18 Sept
Koken 4239am Socket Set 1/2′′ Square Drive 12 Point 40 Piece Metric /
Free delivery
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Koken 4239AM Socket Set 1/2′′ Square Drive 12 Point 40 Piece Metric / AF - Made in Japan
Delivery between 11–22 Sept $30
KO-KEN 10-32mm x 3/8-1-1/4 x 1/2inch Drive Metric/Imperial Socket Set - 40 Piece KO4239AM
Free delivery between 16–21 Sept
Koken - Socket Set 1/2" Drive 12 Point AF/met (40pcs) | KO4239AM
Delivery between 10–18 Sept $7.95
originally posted on ebay.com
Amazing material on these sockets. Ratchet only has 24t but very durable. The handle is comfortable and grips very well. Built to last forever. Very happy.
| Drive | 1/2" |
| Style | 12pt |
Koken 40PC 1/2"Dr 12PT AF/Metric Socket Set KO4239AM
Free delivery between 14–18 Sept
Koken 4239am Socket Set 1/2′′ Square Drive 12 Point 40 Piece Metric /
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Koken 4239AM Socket Set 1/2′′ Square Drive 12 Point 40 Piece Metric / AF - Made in Japan
Delivery between 11–22 Sept $30
KO-KEN 10-32mm x 3/8-1-1/4 x 1/2inch Drive Metric/Imperial Socket Set - 40 Piece KO4239AM
Free delivery between 16–21 Sept
Koken - Socket Set 1/2" Drive 12 Point AF/met (40pcs) | KO4239AM
Delivery between 10–18 Sept $7.95
Amazing material on these sockets. Ratchet only has 24t but very durable. The handle is comfortable and grips very well. Built to last forever. Very happy.
| Drive | 1/2" |
| Style | 12pt |
