*PLUMBERSSTOCK EXPERT* responded:
Hi! Thank you for your question about the ZNB0512 Nipple. This schedule 40 black steel nipple is designed for use in rough plumbing and pipe. Please check this Catalog for reference. Here at PlumbersStock, we carry a wide variety of nipples. If you're interested in purchasing, just go to its product page and click on the Add to Cart button to have the item shipped right to your door! Thank you for visiting PlumbersStock.com. Have a great day!