This set includes 6 M15 crane single pulley blocks with swivel hooks and 90 ft nylon line rope. The pulleys are made of high-grade 304 stainless steel, making them suitable for heavy industry, light industry, and household goods industry applications. The lot includes 19 pieces, making it a great purchase for those in need of multiple pulleys. The pulleys feature a swivel hook and can be used with various types of lifting machines and hoists. They are designed for optimal durability and performance, ensuring a long-lasting and reliable product. The set falls under the categories of lifting pulleys & sheaves, lifting machine hardware, lifting machine parts, rigging, hoists, winches & rigging, and material handling.