Details Mammut 7.5 Alpine Sender Dry Rope An extremely light double rope for ice climbing, mixed climbing, mountaineering, multi-pitch and alpine climbing. The Alpine Sender's smooth sheath is made from high-quality yarns for an extremely low weight and a small diameter. A combination off easy handling and durability is ideal for tough climbing sessions and mountain routes. Weight: 38 g/m² Sheath proportion: 35 % Stretch on first fall: 31 % Impact force: 6.3kN (half) / 9.7kN (twin) UIAA falls (double rope 80 kg): >16 UIAA falls (single rope 55 kg): 7-8 Diameter: 7.5 mm Stretch at 55 kg: 7.8 % UIAA dry test: 1.5 % Stretch at 80 kg: 2.5 % Sender construction for ultimate light weight Lasting effectiveness in repelling water and dirt according to UIAA for maximum safety in the toughest conditions Achieves < 1.5% in UIAA water absorption tests Optimised abrasion resistance thanks to Dry finishing Ready to climb packaging prevents knotting of the rope Centre mark Double certified half and twin rope All Mammut ropes are certified bluesign products Made in Switzerland Specifications 7.5 Alpine Sender Dry Rope