This set of 21 HALEX 12207B 3/4" EMT screw couplings are a great addition to any electrical project. Made of durable metal, these conduit couplings are designed to securely connect Electrical Metallic Tubing (EMT) without the need for welding or soldering. The silver color and screw connection type make them easy to install and a reliable choice for any industrial or business electrical equipment project. Ideal for use in conduit fittings and tubing, these accessories are designed to be strong and long-lasting. Whether you're working on a large-scale commercial project or a small DIY project, these HALEX couplings will be a valuable addition to your toolkit.