Durable and Robust ISC Medium Pulley Blocks are made using Hot Forged technology and top of the line materials.

This is designed for heavy Arborist work.  The rounded side plates are made with hot forged aluminum which allows for maximum strength when rigged as part of an impact system.

• Fitted with a spring lock closing mechanism. 
  
• Designed to be used with Rope.
• Rope Size: 3/4"
• Aluminum body
• Sheave Diameter: 3.70"
• Working Load limit 6,600 lbs (3.30 tons)
• CE Approved
• Weight 4.77 lbs