This Columbia-MBF™ conduit nipple is designed for reliable use with IMC, Rigid, and Kwik-Couple® conduit systems. Constructed from durable steel with a galvanized finish for corrosion resistance, it ensures a secure connection in various electrical applications. Its male threaded design simplifies installation.This is a male threaded conduit nipple made of steel with a galvanized finish. It is designed for use with IMC, Rigid, and Kwik-Couple® conduit. The nipple has an outer diameter of 0.84 inches, a length of 1.125 inches, and a thickness of 0.104 inches. It is 1/2 inch in size.