If you need to work with two ropes, the Petzl Gemini Pulley is what you need to haul.

• Special side plates designed for use with a Prusik friction hitch in progress capture systems
• Parallel mounted sheaves and auxiliary attachment point for creating different types of hauling systems
• Sheaves mounted on sealed ball bearings for excellent efficiency
• Compact and lightweightFor use on ropes between 7 and 11 mm in diameter
• Working load capacity is 6 kN