The product is a set of three Eaton brass hex bushings with a 1/4" NPT male end and 3/8" NPT female end. These fittings are designed to connect pipes and hoses with different diameters, allowing for easy adaptation in hydraulic, pneumatic, and plumbing systems. Made of durable brass material, these bushings provide reliable and secure connections for smooth operation. Perfect for use in various industrial applications, these Eaton fittings offer quality and performance for your piping needs.