1) Heavy duty multi-purpose pulley block can be used properly to double the pulling power of your winch to 9,000 lbs,
2) It changes the pulling direction without damage to the wire rope.
3) A pulley block can also lower the Amp draw and heat buildup in your winch.
4) The sheave is made from high grade cast iron with a precision machined groove to accept 10mm wire rope. It contains a pressure grease lubricated bearing.