Discover the Overhead Line Round Belt Hold Down Wire Rope Pulley Wheel Transmission Stringing Blocks by Suntech Power Tools. Designed for pressing down earth wires or conductors during stringing, these high-quality pulleys feature galvanized steel frames, ball bearings, and spring release systems. Ideal for transmission work, they come in various materials like MC nylon, steel, or aluminum sheaves. Customizable options available with no MOQ requirements.