Description A pulley block is a professional hoisting tool consisting of a wheel mounted on an axle or shaft. Constructed from stainless steel and nylon, it is sturdy and durable for long-term use. Suitable for use with boats, ropes, cords, and similar applications, providing convenience and meeting your operational needs. Features - Color: Black - Material: Stainless steel, nylon - Size: 9.80 x 5.20 x 2.00 cm / 3.85 x 2.04 x 0.79 inches - Made of stainless steel and nylon, these pulleys are rust-resistant and wear-resistant - The pulley rotation cylinder head is robust and durable, allowing rotation to the desired angle - Designed for use with rope or cord in both indoor and outdoor applications, offering professional and practical performance - Equipped with a high-load plain bearing for stable operation, providing added convenience - Commonly used in boats, marine vessels, and fitness equipment. Ideal for boating, sports, hunting, workshops, and other applications Packing List 1 x Sailboat Pulley