Skylotec GORDON Self Blocking 1:5 Pulley System Kit 75m-100mSelf blocking pulley system with GORDON RESCUE in the 1: 5 configuration. This set includes the GORDON RESCUE fall arrester device and the corresponding hardware. The SUPER STATIC 10. 5 low stretch rope (Art. No. L 0741) with sewn eyes is included in a set order. The required length can be calculated from the maximum lifting height multiplied by the required ratio (5 in this case). With this pulley system, for example, a lifting height of 15 metres