The IDEAL INDUSTRIES INC part 30-211 Connector Accessories Set Screw Straight Brass Box is a high-quality and durable accessory designed to be used with connectors. Made from brass, this box is built to withstand the test of time and provide a secure connection. With a set screw design, it ensures a tight and reliable connection with minimal effort. Whether you are a DIY enthusiast or a professional electrician, this accessory is a must-have for any electrical project.