Top-level ice screws designed for advanced alpinists and ice climbers. Also available in XL - length: 5cm, 7cm and 9cm. Top-level ice screws designed for advanced alpinists and ice climbers Lightweight, strong and durable chromoly steel construction Reverse angle threads for smooth driving and maximum holding power Front teeth engineered for the fastest and easiest placements even in the coldest, most compact ice Chromoly steel hanger aligns with the screw to pull in an optimal direction for maximum holding power and racks well on either side of the harness Fold out crank knobs are color coded for easy identification EN 568 certified Material: Screw: CrMo Steel Hanger: NiCrMo Steel Crank: Carbon Steel Length/Weight: 13cm (Yellow): 116g 16cm (Blue): 130g 19cm (Grey): 142g 22cm (Green): 155g