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PETZL double progress capture pulley for arborist / rescuer / technical rescue The TWIN RELEASE double pulley has been designed for setting up 4:1 haul systems when working in confined spaces and during technical rescue. Its ergonomic handle makes it possible to disengage the cam. This PETZL progress capture pulley offers better control when lowering heavy loads thanks to its additional brake integrated into the mobile flange and the faceted main sheave with one direction of rotation. The two sheaves ensure excellent hoisting performance. The swivel allows the pulley to be oriented under load and to directly connect straps, ropes or carabiners, which facilitates handling.
| Manufacturer | PETZL |
| Weight (gramme) | 800 g |
| Material | Aluminum, stainless steel, nylon |
| Certification | CE EN 567, CE EN 12278 partial*, NFPA 2500 Pulley General Use, NFPA 2500 Rope Grab Technical Use, UKCA * Meets performance requirements of the EN 12278 standard |
| System certification | ANSI Z359.4 Synthetic Rope Tackle Block (more information in the Instructions for Use) |
| Minimum rope diameter | 8 mm |
| Maximum rope diameter | 13 mm |
| Sheave type | Sealed ball bearings |
| Faceted sheave diameter | 40 mm |
| Sheave diameter | 38 mm |
| Efficiency | 95 % |
| Maximum working load | 280 kg (more information in the Instructions for Use and in the technical tips at www.petzl.com) |
| Breaking strength of the auxiliary point | 22 kN |
| Breaking strength | 36 kN |
