The product is a Swagelok SS-8-AN-1-8 stainless steel pipe fitting adapter with a 3/4-16 male JIC thread on one end and a 1/2" MNPT (Male National Pipe Taper) on the other end. This type of fitting is commonly used in hydraulic, pneumatic, and plumbing systems for connecting pipes or hoses securely. Swagelok is a well-known brand in the industry, known for producing high-quality fittings and adapters that ensure a reliable and leak-free connection.