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 6 offers
The lowest price for Koken Socket Set 1/2DR 12Pt AF/MET (40pcs) KO4239AM right now is $475.00 at housetradesupplies, compared across 5 retailers.
The all-time low was $386.31 on 24 Jan 2024 — today's price is 23% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 5 Oct 2026.
Last updated at 05/10/2026 17:47:49
Koken 40PC 1/2"Dr 12PT AF/Metric Socket Set KO4239AM
Free delivery between 8–14 Oct
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 7–16 Oct $30
Koken - Socket Set 1/2" Drive 12 Point AF/met (40pcs) | KO4239AM
Delivery between 6–14 Oct $7.95
KO-KEN 10-32mm x 3/8-1-1/4 x 1/2inch Drive Metric/Imperial Socket Set - 40 Piece KO4239AM
30-day returns
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.
| Included Tools | Sockets |
| Tool Type | Socket |
| Dimensions | 40 × 20 × 10 cm |
| Weight | 10 kg |
| Power Source | Manual |
Koken 40PC 1/2"Dr 12PT AF/Metric Socket Set KO4239AM
Free delivery between 8–14 Oct
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 7–16 Oct $30
Koken - Socket Set 1/2" Drive 12 Point AF/met (40pcs) | KO4239AM
Delivery between 6–14 Oct $7.95
KO-KEN 10-32mm x 3/8-1-1/4 x 1/2inch Drive Metric/Imperial Socket Set - 40 Piece KO4239AM
30-day returns
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.
| Included Tools | Sockets |
| Tool Type | Socket |
| Dimensions | 40 × 20 × 10 cm |
| Weight | 10 kg |
| Power Source | Manual |
