The Minerallac 600 Steel Set Screw Beam Clamp is a sturdy and reliable tool set designed for industrial use. This set includes 26 pieces of 1/4-20 rod with a 1/2-inch jaw, providing versatility and strength for various electrical equipment and supply applications. The set screw beam clamp is ideal for businesses seeking high-quality and durable components to ensure efficient and secure installations. Questions ask i do combine shipping