Kouba Duo Ultra Low Weight Mini Nuts (set of 6)

These Kouba Duo micro nuts, made from a lightweight alloy, were created specifically for use in small cracks on challenging routes. The unique curved shape and generous surface area provide a secure fit in thin or narrow cracks, making them ideal for trad climbing. The set includes 6 sizes, each color-coded on its stem for quick identification during climbs.

• Size: 1 / 2 / 3 / 4 / 5 / 6 
• Strenght (kN):  6-3 / 6-3 /6-3 / 10-6 / 10-6 / 10-6 kN
• Range (mm): 6-10,5 / 6,8-11,5 / 7,8-12,5 / 8,7-13,5 / 9,8-14,5 / 10,6-15 mm
• Weight (g): 15 / 16 / 17 / 23 / 25 / 27 g
• Material composition: hard aluminium alloy, steel rope
• Warranty: 24 month
• CE 1015 certified, Norm EN 12270
• Made in Czech Republic