Final SALE: For safety reasons, we cannot accept returns on load-bearing Climbing equipment. Sorry for being so mean. The Specs Rope: Type B Diameter: 9.6 mm Breaking Strength: 21 kN Strength with Figure-of-8 Knot: 14 kN Number of Falls Factor 1: 12 Impact Force Factor 0.3: 4.2 kN Elongation 50/150 kg: 4.5% Sheath Slippage: 0% Knotability: 0.98 Shrink in Water: 1% Sheath Percentage: 44% Weight: 59 g/m Material: Polyamide / Polyester