This is an Everflow Supplies type b assortment of nipples in a slant Tray. The nipples have a diameter of a 1 inch, and are made of galvanized steel pipe, with a Schedule 40 pipe wall thickness. Furthermore, in the set are 6 pieces of each length, ranging from 1-1/2 inch to 6 inch, with increments of a 1/2 inch. Also 6 close nipples are in the Tray, which makes a TOTAL of 60 nipples in the Tray. In addition, these fittings meet or exceed the applicable standards. It has a durable, galvanized-steel construction and is suitable for residential potable water applications. This nipple can also be used to extend a fitting or existing pipe.