Black Diamond 10 mm Dynex Runners Dynex 30cm

Ten times stronger than steel by weight, Dynex (Spectra) is the strongest fiber ever made
Amazingly lightweight (much lighter than nylon) and totally durable
Extremely strong, versatile runners
Low water absorption 11249000030CM Features: 30% lighter than 12mm nylon runners of the same size The tighter weave increases durability to keep you climbing Assorted colors Specifications: Weight: 11 grams (30 cm), 19 grams (60 cm), 39 grams (120 cm) More »