Description: 【Quality Construction】: This single pulley is crafted from quality stainless steel and nylon, ensuring long term durability, making it ideal for marine environments 【Versatile Use】: Designed specifically for use with boats, sailboats, and other equipments, this Lifting Rope Pulley is a versatile accessory that can handle various rigging needs 【Easy to Use】This Wire Towing Wheel is ergonomically designed, stable working performance and easy to use, bring you a lot of convenience 【Wide Application】: With its sturdy construction compact size, this Wire Rope Hanging is ideal boat accessory, marine hardware for marine, sailboats and yachts use. Also can be used as pulley wheel for pulley system gym equipment, hanging, lifting, etc. 【Single Unit Packaging】: Each purchase includes 1 Single Pulley Block, outer diameter of 4cm/1.57inch Specification: Material: stainless steel, Nylon Size Chart: outer diameter 4cm/1.57inch Package Includes: 1 Marine pulley