ISC Arborist Pulley 100 kN ISC Stainless Steel Pulley. Payload 20 kN. DMM Keanu Rigging Trolley DMM Impact Block L Pulley. Payload 60 kN DMM Impact Block XS pulley DMM Keanu Rigging Trolley Pip Pin Locking Pin ISC Compact RP 248 rigging pulley DMM Impact Block S Pulley Payload 40 kN CE 0120 EN 12278 Pulley. Payload 14 kN. ISC Medium RP 255 pulley ISC RP 251 Small pulley ISC Compact Rigging Pulley, 85 kN ISC Pulley Payload 20 kN CE 0120 Pulley EN 12278. Payload: 10 kN Petzl Reeve Rigging Trolley CT Grizzly Pulley, 80 kN