Sturdy 316 Stainless Steel: This sheave block is made from 316 stainless steel, providing excellent strength and reliability. The material is designed to withstand heavy use, ensuring lasting performance in both marine and fitness applications. Low-Friction Nylon Pulley: Featuring self-lubricating nylon wheels, this block ensures easy operation with reduced friction. The nylon material is engineered to handle frequent use while maintaining consistent functionality. 1500lbs Load Capacity: Designed to handle up to 1500 pounds, this rotating pulley block is ideal for fiber ropes with a 3/8-inch diameter. Its substantial load-bearing capacity makes it suitable for a range of demanding tasks. Multi-Purpose Design: This sheave block is adaptable for applications, including sailboat pulleys, control lines, and fitness equipment. Its versatile design makes it a practical choice for both marine and gym environments. Simple Maintenance: Made of stainless steel, this product requires periodic inspection to ongoing performance. Proper care will help maintain its reliability over time. This sheave block offers a reliable solution for both marine and fitness equipment applications. Constructed from 316 stainless steel and equipped with self-lubricating nylon wheels, it ensures low-friction operation. The 1500-pound load capacity makes it ideal for handling fiber ropes with a 3/8-inch diameter. Its versatile design allows for use in sailboats, control lines, and gym setups, offering strength and functionality. Regular maintenance is recommended to keep this nylon turn pulley performing effectively over time. Item Type:Sheave Block Product Size (LxWxT):. 85 x 40 x 20mm/3.35 x 1.57 x 0.79in, Wheel Thickness:. 20mm/0.79in Wheel Groove Width:3/8in Load Capacity:1500lbs Note:This product is made of stainless steel, and needs regular inspection and maintenance during use. Colour:As Shown Material:Metal Package Contents: 1 * Pulley Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.