When ascending a frozen waterfall, the Rocket Ice Screw offers security without too much added weight. Full steel construction offers sacrifice-free strength, and incredibly sharp teeth speed up the process of securing the screw. Details Workhorse ice screw for added security on ice climbs Chromoly steel offers strength and durability in a low weight Sharp teeth make placements easier and faster Fold-out crank knobs are color-coded for easy identification Item #CMPJ1A5 Tech Specifications: Material chromoly steel Length 13cm (5.1in), 16cm (6.3in), 19cm (7.5in), 22cm (8.7in) Claimed Weight[13cm] 4.1oz, [16cm] 4.6oz, [19cm] 5oz, [22cm] 5.5oz