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| Color | : | Yellow |
| Finish | : | Powder-Coated |
| Length | : | 11-7/8 in |
| Material | : | Aluminum |
| Specifications | : | 8800 lb Working Load Limit, 200 kN Minimum Breaking Strength, Green Pulley Wheel, Red Anchor Wheel, 2.5 in THK Dimensions, 3/4 in Dia Rope, 1-1/4 in Dia Sling |
| Suitable For Use With | : | 3/4 in Ropes |
| Width | : | 4-1/4 in |
The small and medium versions are now manufactured using Hot Forged Technology, combined with high quality materials and components. These blocks are rope friendly, durable and extremely robust. These features combined give maximum security and strength, when the block is rigged as part of an impact system. Apart from the aesthetically pleasing curves, the ISC impact pulley is designed to work (together with textiles) to absorb the huge forces which are created by the harsh dynamics of heavy Arborist work. The side plates are produced using the best quality hot forged Aluminium and the special manufacturing process allows these pulleys to offer a highly impressive strength to weight ratio.
ISC Large Rigging Block, Specifications: 8800 lb Working Load Limit, 200 kN Minimum Breaking Strength, Green Pulley Wheel, Red Anchor Wheel, 2.5 in THK Dimensions, 3/4 in Dia Rope, 1-1/4 in Dia Sling, Aluminum, Finish: Powder-Coated, Yellow, 11-7/8 in Length, 4-1/4 in Width, For Use With: 3/4 in Ropes