Self braking single brake descender for a single rope, colour blue. EN341 Class A: 1997. Weight 326g. Suitable for use with EN1891 Class A or EN892 ropes between 9 & 12mm diameter In accordance with Directive 89/686/EEC ( & where rope is between 10 & 11mm it is in accordance with EN341 Class A). Maximum descent distance 100m. Normal working load (EN341) between 30 & 150kg. Where loads are between 150 & 250kg, i.e. for assisted rescue only, no impact force is tolerated & an additional braking con