Engineered for robust performance in demanding environments, this 4-inch manhole sheave from GMP Tools is indispensable for cable management during installation and maintenance operations. Crafted from a reinforced, heat-treated wrought aluminum alloy, it ensures long-lasting durability while the self-lubricating bronze bushed aluminum sheaves contribute to a maintenance-free experience. Its thoughtful design includes strategically placed holes for a digging bar, preventing unintentional displacement during use and allowing for safe guidance of pulling lines or cables over manhole edges. With the capability to accommodate cables up to 4 inches in diameter and a remarkable load rating of 7,500 lbs, this tool meets the diverse demands of professionals in the cable placing sector, making it an excellent choice for effectively maneuvering cables in manholes equipped with pulling-in irons.