The 2PC Shaft Collar is a modern design fastener made by Jeremywell. It is constructed of durable carbon steel with a black oxide coating, ensuring longevity and reliability in various industrial applications. With a 3″ bore size and 4-3/4″ outer diameter, this shaft collar fits securely and provides stability for shafts and axles. The set includes 4 collars, each measuring 1″ in length, making it an essential component for machinery and equipment maintenance. Made in China, this product is designed to meet the needs of businesses and industries requiring high-quality fasteners and hardware.