Self braking double brake descender for a single rope, colour blue. EN341 Class A: 1997 & EN12841 Class C: 2006. Weight 326g. Suitable for use with EN1891 Class A or EN892 ropes between 10 & 12mm diameter for EN12841 Class C (where rope is EN1891 11mm it is in accordance with EN341 Class A). Maximum descent distance 200m. Normal working load (EN341) between 30 & 150kg. Where loads are between 150 & 200kg, i.e. for assisted rescue only, no impact force is tolerated & an additional braking connect