Description Product Overview These pipe nipples are made of quality steel and meet ASME/ASTM standards. Our long nipples are available in 6 diameters from 1/2 to 2 in, and with lengths from 18 up to 72 in. Offering both black and galvanized finishes, they come in a variety of sizes to choose from. Product Details Connection Type: Male Length: 12 in Material: Steel Nominal Size: 1/2 in Schedule Rating: SCH 40 Features Black finish Durable steel nipple with ASME/ASTM standard Easy to install with male NPT threaded on both ends