Final SALE: For safety reasons, we cannot accept returns on load-bearing Climbing equipment. Sorry for being so mean. Features of the Edelweiss Rocklight II 9.8mm Rope Rocklight rope is part of the Edelweiss Essential Line A range of ropes developed for top Performance at a bargain price Rocklight is 9.8 mm in diameter to excel in sport Climbing and when weight savings is important The Essential line of ropes delivers impressive stats that beat the comPetition such as a low impact force of 8.1 kN