Petzl Micro Traxion
Built-in cam acts as a progress capture device and is ideal for setting up hauling systems; cam works on dirty or icy ropes, and can be locked open for use a standard pulley. Sealed ball bearings give the pulley 91% efficiency. Petzl Micro Traxion pulley works with climbing ropes from 8 – 11mm in diameter. Breaking strength as a pulley is rated at 15kN; breaking strength as a progress capture pulley is rated at 4kN.