Black Diamond 12mm Spectra 120cm RunnersTen times stronger than steel by weight, Spectra is the strongest fiber ever made. Because Spectra Runners do not easily absorb water they're less likely to freeze, making them an outstanding choice for alpine and ice climbing. Spectra Runners are extremely strong, light and versatile for all types of climbing. Features:Spectra is the strongest fiber ever made Low water-absorption—less likely to freeze Functional and light for varied use on longer trad and ice climbs
