Climbing nuts Kouba Rox in Set 1-7 with different sizes. Specs: * Size 1 = range 6.5-11.5 mm, weight 18 g * Size 2 = range 7-11.5 mm, weight 18 g * Size 3 = range 9-13.5 mm, weight 19 g * Size 4 = range 10.5-15.5 mm, weight 27 g * Size 5 = range 13-16 mm, weight 28 g * Size 6 = range 15-20 mm, weight 30 g * Size 7 = range 18-24.5 mm, weight 43 g Strength: 4-10 kN Material: hard aluminium alloy, steel rope Made in Czech republic.
