The Westinghouse Lighting Eight Assorted Nipples are a great choice when constructing a new lamp or repairing an old one. This handy kit includes eight pieces--two each of four different lengths. Nipples are pipe fittings with two male ends designed to connect two threaded female components, which are quite common in lamps. These nipples are zinc plated for durability and longevity. The kit includes eight nipples: two are 1/2 in long, two are 1 in , two are 1-1/2 in , and two are 2 in All pieces are a standard 1/8-IP size, making them compatible with common lamp parts.