Stopper Nuts popular

On Sale. Black Diamond Stopper Nuts Fall 2009 The Stopper Nuts by Black Diamond have a unique transverse taper that allows them to be placed securely in bottlenecks, flares andshallow seams. Rounded corners ensure easy cleaning. Sizes 1, 2 and 3 have straight sides for maximum contact with the rock. Galvanized steel cable.No. 1 For use as direct aid only: 7 g 0.25 oz 2 kN 450 lbf No. 2 For use as direct aid only: 8 g 0.28 oz 2 kN 450 lbf No. 3: 15 g 0.53 oz 5 kN 1124 lbf No. 4: 16 g 0.56 oz 6 kN 1349 lbf No. 5: 18 g 0.63 oz 6 kN 1349 lbf No. 6: 32 g 1.13 oz 10 kN 2248 lbf No. 7: 34 g 1.2 oz 10 kN 2248 lbf No. 8: 37 g 1.3 oz 10 kN 2248 lbf No. 9: 39 g 1.4 oz 10 kN 2248 lbf No. 10: 43 g 1.5 oz 10 kN 2248 lbf No. 11: 51 g 1.8 oz 10 kN 2248 lbf No. 12: 58 g 2 oz 10 kN 2248 lbf No. 13: 71 g 2.5 oz 10 kN 2248 lbf