PETZL - JAG Traxion, Double Progress Capture Pulley INTENDED USE: The JAG TRAXION double progress capture pulley is designed for use with the JAG pulley to make a 4:1 haul system. CONSTRUCTION: The sheaves mounted on sealed ball bearings offer excellent efficiency. ALL CONDITIONS: The toothed cam with self-cleaning slot optimizes this pulley's performance under any conditions, including frozen or muddy ropes. LIGHTWEIGHT: The JAG TRAXION weighs only 145 grams. DETAILS: This pulley accepts ropes 8 to 11 mm in diameter. Its maximum working load is 6 kN and its breaking strength is 16 kN.