ISC Rigging Pulley X-Large 20mm Ascenders These are a great alternative

These are a great alternative your typical Hard Yakka or King Gee style work trousers

The updated RP055 from ISC is a 3/4" capacity spring block perfect for the working arborist

From utilising for a pick-off rescue to using for the O-rig set up to even the M-rig

Kong Futura Body Ascender

Choose from Medium or Large Tooth

ISC Rigging Pulley X-Large 20mm Ascenders These are a great alternativeTHE LOWDOWN Weighing in at considerably less than half a kg but with a big 70kN MBS, that makes for a strong and also light weight rigging pulley. TECH SPECS MBS : 70kN Rope Diameter : <20mm Weight : 0. 4kg Height : 15. 5 cm Width : 10. 5 cm TREEGEAR TAKEAWAY This is a very capable pulley, especially with the ability to take a 20mm rope. Can clearly be used for lowering applications, but we feel that it's capable of so much more. The ISC Large Rigging