With a great strength to weight ratio the Beal Booster 3 is perfect for climbers wanting to save weight on their rack and for any long walk-ins. The UNICORE technology gives high levels of abrasion resistance. Whilst its low impact force renders it particularly useful. The rope also treated with DRY COVER making it dust and moisture resistant.Diameter: 9.7mmUNICORE technology - additional durability Material: 100% polymideimpact resistance 7.4knWeight 3.66kgDRY COVER for dust and moisture resistant.Designed to maintain its suppleness in belay devices over time.