Cobra Pulley (3/8"-1/2")

  • $356.00


The Robertson Cobra Pulley (Cobra Trolley) features a two piece frame designed with multiple back up axles. This pulley is built to last. In fact, the Cobra has been used for nearly three decades.


  • Sheaves are made of Rockwell Case Hardened Steel.  
  • Recommended for zip line tours and for use in outdoor environments. Robertson's Cobra Pulley is built to last.
  • Exceeds ANSI, OSHA, and NFPA Class G Standards and has been independently tested to 13,305 lbs.  
  • Designed to move a person down a 3/8" - 1/2" cable safely at speeds up to 65mph!
  • We recommend this pulley for zip tours with 2000' or more of zip lines. 
  • Proudly made in the USA!

This pulley comes with or without out handles. Please check the appropriate option box.