This lot of 5 CANTEX 5140112 conduit hubs are perfect for anyone in need of reliable and durable conduit fittings. Measuring 4 inches in diameter, these hubs are designed for through-hole mounting and connection via glue-on. They are made of high-quality PVC/plastic material in a sleek gray color. These conduit fittings are compatible with PVC conduit and tubing, making them a great choice for anyone in the electrical equipment and supplies industry. The thread size is 4 inches, and they are classified as an accessory type of conduit fittings. Whether you are looking to stock up on supplies or need specific fittings for a project, these CANTEX conduit hubs are a great choice.