Discover the 660 Series Stringing Block, designed for heavy-duty transmission line work with a capacity of 30-150KG and a rated load of 20-60KN. Ideal for conductors like LGJ550, this block features customizable sheave options, including rubber-coated aluminum and MC nylon. Perfect for global transmission projects, it’s ISO 9001:2008 certified and trusted in over 50 countries.