The simple functioning of the lightweight SK2 rope grab provides optimal movement of the device on the semi-static Boa lanyard and immediately locks in the event of a fall. It can be fitted or removed at any point of the lanyard. The following kits are available for this device: SK2 kit 10m: 100308900010 SK2 kit 20m: 100308900011 SK2 kit 30m: 100308900012 SK2 kit 40m: 100308900037 SK2 kit 50m: 100308900038