This Swagelok needle valve is made of high-quality 316 stainless steel and has a 1/2 inch tube fitting with both End A and End B types being NPT. The valve operation is manual, and it is perfect for use in industrial settings. It is a great choice for those who need a reliable and durable needle valve for their business or industrial needs. The valve has been designed to provide precise control over the flow of fluids, making it an ideal choice for hydraulic, pneumatic, pump, and plumbing systems.