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 3 offers
The lowest price for Koken Socket Set 1/2DR 12Pt AF/MET (40pcs) KO4239AM right now is $499.00 at eBay.com.au, compared across 3 retailers.
The all-time low was $424.95 on 5 Mar 2026 — today's price is 17% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 22 July 2026.
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.
Last updated at 22/07/2026 15:48:16
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 24 July – 4 Aug $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 29 July – 3 Aug
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 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 24 July – 4 Aug $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 29 July – 3 Aug
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 |
