Ko-Ken KO3445M12 12-Point Universal Socket, Metric Sizes, 3/8 in Drive, 12 mm
Available
The Ko-Ken 3445M is a 12-point universal socket.
Lengths are 50, 53.5 and 54.5 mm. (manufacturer-stated)
Each model is listed in the table below with its specifications.
Where this product is used
- Reaching hex fasteners at an angle, with the joint built into the socket
- Maintenance and repair work in confined spaces
- Workshop and on-site fastening in metric sizes
Features
- 12-point opening (manufacturer-stated)
- Universal joint built into the socket (manufacturer-stated)
Common specifications
| Specification | Detail |
|---|---|
| Drive | 3/8 in (manufacturer-stated) |
Key specifications
| Model | Socket size | Length | Dimensions | Weight |
|---|---|---|---|---|
| KO3445M12 | 12 mm | 50 mm (manufacturer-stated) | D1 17, D2 19, H 10.3 mm (manufacturer-stated) | 67 g (manufacturer-stated) |
| KO3445M15 | 15 mm | 53.5 mm (manufacturer-stated) | D1 20.8, D2 19, H 12.8 mm (manufacturer-stated) | 70 g (manufacturer-stated) |
| KO3445M16 | 16 mm | 53.5 mm (manufacturer-stated) | D1 22, D2 19, H 12.8 mm (manufacturer-stated) | 77 g (manufacturer-stated) |
| KO3445M17 | 17 mm | 54.5 mm (manufacturer-stated) | D1 23.3, D2 19, H 13.8 mm (manufacturer-stated) | 80 g (manufacturer-stated) |
Lengths and weights are manufacturer-stated (Ko-ken catalogue 2025-26).
Selecting the right option
Choose the size that matches your fastener.
Related products
Related Ko-Ken products: Ko-Ken 13772 Impact Universal Double Joint, 3/8 in Drive, 75 mm, Ko-Ken 13771 Impact Universal Joint, 3/8 in Drive, 48 mm, Ko-Ken 13770 Impact Universal Joint, 3/8 in Drive and Ko-Ken PK3763/6 Wobble-Fix Extension Bar Set, 6 Pieces, 3/8 in Drive.
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12
Model Number: KO3445M12
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15
Model Number: KO3445M15
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16
Model Number: KO3445M16
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17
Model Number: KO3445M17

