The Lot of 20 Eaton 1038 Crouse-Hinds Series 3" Iron Insulated Conduit Bushing is a high-quality product made of zinc plated malleable iron. These threaded bushings are designed for electrical equipment and supplies, specifically for conduit and tubing installations. With the trusted brand of Eaton, you can be assured of the durability and reliability of these insulated conduit bushings for your industrial or commercial electrical needs.