The Arlington (EMT50) 1/2" Push On Insulating Bushing is designed to protect conductors from the sharp edges of aluminum or steel EMT (Electrical Metallic Tubing) conduit. These bushings are made to prevent damage to wires and cables as they pass through conduit, ensuring safe and reliable electrical installations. The pack includes brand-new bushings, each with a simple push-on design for quick and easy installation without the need for tools. Ideal for use in both residential and commercial electrical systems, they are compatible with both aluminum and steel EMT conduits. These bushings offer long-lasting protection and help maintain the integrity of your electrical wiring system.