Ideal for caving and other activities requiring low stretch ropes, the Speleo 11 mm is a lightweight static rope from Edelweiss with a good balance between weight and handling.. . This product will be shipped directly from the manufacturer and will leave their warehouse in 2 3 business days. Eligible for ground shipping only.. . 100% nylon. Good balance between weight, handling, and knot tying ability. Suited for multiple uses from underground to high on the wall. Breaking strength: 30 kN. Strength with Figure 8 knot: 20 kN. Weight: 81gm. Number of factor 1 falls: 20. CE Certified Type A, UIAA EN 1891.