Edelrid Harrier 10.0mm Dynamic Climbing Rope Bluesign certified environmentally clean manufacturing German made quality from the original inventor of the modern kernmantel rope, Edelrid Dry Shield and Thermo Shield Finished Rope Type: Single, Weight per Meter: 67g, Sheath Proportion: 36%, Number of Falls: 8, Impact Force kN: 9, Dynamic Elongation: 31%, Static Elongation: 8.4%, Sheath Slippage: 0 Middle mark offers added convenience