The Steel Electric 23BIZ4L 1-1/4" Insulated Grounding Bushings are a set of 25 white metal bushings designed for use with Electrical Metallic Tubing (EMT) conduit. These conduit couplings are made by the brand STEELELECTRIC and have a 25° angle. The bushings provide insulation and grounding for electrical equipment and supplies in a business or industrial setting.