ISC Compact RP 248 rigging pulley ISC Compact RP 248 rigging pulley ISC Medium RP 255 pulley ISC Medium RP 255 pulley ISC RP 251 Small pulley ISC RP 251 Small pulley ISC Pulley Payload 20 kN ISC Pulley Payload 20 kN ISC Stainless Steel Pulley. Payload 20 kN. ISC Stainless Steel Pulley. Payload 20 kN. ISC Compact Rigging Pulley, 85 kN ISC Compact Rigging Pulley, 85 kN CE 0120 Pulley EN 12278. Payload: 10 kN CE 0120 Pulley EN 12278. Payload: 10 kN CE 0120 EN 12278 Pulley. Payload 14 kN. CE 0120 EN 12278 Pulley. Payload 14 kN.