Discover the SHT Grounding Wire Stringing Blocks and 20KN Cast Steel Sheave Stringing Block, designed for pulling steel strands with high efficiency. These blocks feature excellent wear-resistance, no deformation, and a long life cycle, making them ideal for power transmission projects. Manufactured by Suntech Power Tools, a trusted name in the industry, these products meet ISO 9001:2008 standards and are exported worldwide.