Description
The ISC Medium Rigging Pulley is a premium-grade forged aluminium block engineered for demanding rigging, hauling, and arborist work. Designed to accept ropes up to 20 mm diameter, this pulley offers robust performance, durability, and reliability — ideal for lowering, redirecting, or hauling heavy loads in arboriculture, rigging setups, or rescue configurations.
Built using hot-forged aluminium side plates, the pulley combines strength with a light weight, giving an efficient strength-to-weight ratio. Its rope-friendly sheave and corrosion-resistant anchor pin ensure smooth operation and long-term reliability. The external finishes are anodised to enhance durability in harsh working conditions.
Whether you are lowering large branches, operating mechanical advantage systems, or setting up rigging configurations, the ISC Medium Rigging Pulley delivers solid performance, safety, and versatility for professional work.
📏 Technical Specifications
| Specification | Detail |
|---|---|
| Rope Diameter (max) | 20 mm (working line) |
| Working Load Limit (WLL) | 3000 kg (for standard RP055 medium forged version) |
| Material | Hot-forged Aluminium side plates, Aluminium sheave / wheel |
| Finish | Anodised |
| Weight | ~2166 g (for the 20 mm version) |
| Certification / Standards | CE-approved for arborist/ rigging use (when used with compliant rope and setup) |
🌲 Ideal For / Use Cases
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Tree-work rigging and branch lowering
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Hauling and lowering heavy loads in arboriculture
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Mechanical advantage systems requiring a reliable block
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Rigging setups for rope access, rescue or industrial lifting (within the rope & load spec)
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Redirects, anchor rigging, and multi-part line systems
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