Upgrade your electrical installations with the Sigma Engineered Solutions ProConnex TC-511 EMT Set Screw Coupling, available in a convenient 50-pack. This coupling is designed to seamlessly connect two lengths of 1/2-inch EMT conduit, providing secure and reliable connections for electrical wiring setups. Featuring a set screw type design with tri-combo screws, installation is made easy while ensuring a tight grip. Concrete-tight when taped, this coupling is suitable for dry location applications, ensuring versatility in usage. Crafted from durable zinc die-cast material, it ensures long-lasting performance. With UL and CSA listings, this product meets safety standards and ensures peace of mind.