Introducing the 4 in. Steel Tko Knock Outs Box, a must-have tool for any professional or DIY electrician. This innovative product is designed to make your electrical installations easier and more efficient. With its sturdy steel construction, it guarantees durability and long-lasting performance. The Tko Knock Outs Box features a 4-inch size, providing ample space for all your electrical connections. Say goodbye to the hassle of drilling holes manually, as this box comes equipped with knockouts that allow for quick and easy installation. Whether you're working on residential or commercial projects, this versatile box is suitable for a wide range of applications. Upgrade your electrical toolbox with the 4 in. Steel Tko Knock Outs Box and experience the convenience and reliability it offers.