A lightweight rope with a thicker sheath, the 9.5mm Energy is certified to half and twin standards. Either way, it's a high-performing single rope that withstands long and hard routes through a combination of an HD center and low-impact force.. This product will be shipped directly from Edelweiss and will leave their warehouse in 2-3 business days. Eligible for ground shipping only.. . Weight: 58 g/m. Impact force: 8.1kN. UIAA falls: 7. CE and UIAA Certified - Single Rope. Imported.