Double pulley designed for use with the JAG TRAXION double progress capture pulley to make a 4:1 haul system. Sheaves mounted on sealed ball bearings for excellent efficiency Weight: 120g Certification(s): CE EN 12278, NFPA 1983 Technical Use Min rope diameter: 8mm Max rope diameter: 11 Sheave type: sealed ball bearings Sheave diameter: 25mm Working load: 2 × 1,5 kN × 2 = 6kN Breaking strength: 2 × 4 kN × 2 = 16kN Efficiency: 91%