| FREE SHIPPING - Micro pro for micro cracks, that's what's Black Diamond say's and they are sticking to it. The Micro stoppers are made from copper infiltrated steel but bite like brass nuts and are less prone to shearing especailly when you truly need it, hopefully not. With the patented cable swaging it increases the strength of the cable on sharp rocks or cracks. Other Features: Stopper Material: Copper infiltrated steel Strength: #1 [2kN], 2# [3kN], #3 [5kN], #4 [6kN], #5 [6kN], #6 [8kN] Weight: #1 [0.1oz], #2 [0.25oz], #3 [0.32oz], #4 [0.46oz]. #5 [0.53oz], # [0.74oz] Warranty: 1 Year Use: Trad climbing |