Shunt Mechanical Prusick StepBolts & Flanges Climber pads are a major A060PC04100 Climber pads are a major factor in the user’s comfort A Universal “H” style full body harness in our popular safety green color designed for comfort with our newly added back pad Installs easily on single and double ropes All clamping surfaces are smooth and won't damage the rope Can be used on single or doubles ropes to ascend Specifications: Meets CE Certification Compatibility with single 10 11 mm or double 8 11 mm ropes The Petzl Shunt Mechanical Prusik allows a piece of mind as a rappel back up device It replaces hitches like the Prusik and can be used on single and double ropes