Climbing nuts Kouba Top in Set 1-7 with different sizes. Specs: * Size 1 = range 6-12 mm, weight 18 g * Size 2 = range 7.5-12 mm, weight 19 g * Size 3 = range 9-13.5 mm, weight 20 g * Size 4 = range 10.5-15.5 mm, weight 23 g * Size 5 = range 12-19.5 mm, weight 30 g * Size 6 = range 14.5-24.5 mm, weight 40 g * Size 7 = range 19-29 mm, weight 50 g Strength: 4-12 kN Material: hard aluminium alloy, steel rope Made in Czech republic.
