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Compact pulley with swivel for work at height / technical rescue / arborists / pruners / rope access technicians When weight and compactness are decisive, the SPIN S1 pulley allows you to simplify as much as possible the installation of haul systems, zip lines, or load deviation during work at height and technical rescue. This pulley has a triple action opening of the movable flange that is easy to handle even with gloves. It is possible to install a rope, while keeping the pulley connected to the anchor. The SPIN S1 is provided with a red visual indicator when the movable flange is not locked.
| Manufacturer | PETZL |
| Weight (gramme) | 145 g |
| Material | Aluminum, stainless steel, nylon |
| Minimum rope diameter (mm) | 7 mm |
| Maximum rope diameter (mm) | 11 mm |
| Sheave type | Sealed Ball Bearings |
| Sheave diameter (mm) | 25 mm |
| Maximum working load (kN) | 2,5 x 2 = 5 kN |
| Breaking strength (kN) | 23 kN |
| Efficiency | 91 % |
