Beal Opera 8.5mmx50m Blue Uc Gd BO. 5mm UNICORE is the lightest single rope on the market. It is also certified as a half and twin rope and weighs only 48g per meter. The rope is made with technology that combines all of Beal's know-how: UNICORE technology DRY COVER protection and the UIAA Water Repellent standard for the GOLDEN DRY version. This ultra-supple ultralight rope will exceed the expectations of the most demanding sport climbers and alpinists with its low impact force. The Beal Opera is certified as a Single Half and Twin rope. Ideal for performance minded sport trad alpine and ice climbing. Features of Beal Opera Unicore: Weight: 48 g/m Impact force: Single 7.4kN Half 5.5kN Twin 8.6kN UIAA falls: Single 5 Half 20 Twin 25 UIAA Certified Water Repellent - Golden Dry DC = Dry Cover GD = Golden Dry UC = Unicore process Black Limit middle mark CE and UIAA Certified Single- Half -Twin Package Contents: Beal Opera Unicore