Description A pulley block is a professional hoisting tool consisting of a wheel on an axle or shaft. Constructed from stainless steel and nylon, it is sturdy and durable for long-term use. Suitable for applications involving boats, ropes, and cords, this pulley provides reliable performance and convenience. 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, offering rust resistance and wear resistance - Sturdy pulley rotation cylinder head designed for durability and smooth rotation - Suitable for use with rope or cord in both indoor and outdoor settings - Equipped with a high-load plain bearing for stable operation - Ideal for use on boats, marine vessels, and fitness equipment; suitable for outdoor sports, boating, hunting, and workshop applications Packing list: 1 x Sailboat pulley