Duo climbing nut set by Kouba, available in six different sizes, all very small, ideal for the thinnest and most difficult cracks. The head is made of aluminum, while the cable is made of steel.
Kouba is a Czech company that, thanks to its experience, specializes in the production of climbing equipment, designing and assembling all products in the Czech Republic. It also boasts important collaborations with well-known brands such as Rock Empire and Omega Pacific, for which it manufactures components or complete products. Always attentive to the needs of climbers, it offers a wide range of anchors and protections.
| Nut size | Color | Strength | Opening | Weight |
| 1 | Shiny | 6-3 kN | From 6 mm to 10.5 mm | 15 g |
| 2 | Shiny | 6-3 kN | From 6.8 mm to 11.5 mm | 16 g |
| 3 | Shiny | 6-3 kN | From 7.8 mm to 12.5 mm | 17 g |
| 4 | Shiny | 10-6 kN | From 8.7 mm to 13.5 mm | 23 g |
| 5 | Shiny | 10-6 kN | From 9.8 mm to 14.5 mm | 25 g |
| 6 | Shiny | 10-6 kN | From 10.6 mm to 15 mm | 28 g |
| Brand | Kouba |
|---|---|
| Number of nuts | 6 |
| Color | Polished |
| Material | Alloy |
Shipping costs to Australia vary based on the courier used and the weight of the ordered products. See here for detailed shipping costs.
On Oliunìd you can always return a product excluding customised products (e.g. lanyards cut to the metre, kits assembled by us, etc.) for any reason: it's not what you expected, you got the wrong shoe size, you don't like the colour of the trousers. You have 100 days to do so. Read the full policy here.






