Durable Construction: These steel plates are made from A36 hot-rolled steel, providing exceptional strength and durability for construction boards, structure support, welding projects, and industrial applications. Precise Dimensions: Each plate measures 12 X 12 X 1/4 inches, ensuring a consistent and reliable fit for your projects. Versatile Usage: They are nice and thick and strong, and would be well suited for anything you need to use a steel plate for....including practicing welding. Sturdy Base: The solid steel construction offers a stable and robust base for supporting heavy loads or structures. Industrial Grade: Designed for professional and industrial use, these steel plates are built to withstand harsh environments and demanding conditions. Rocaris 12 X 12 X 1/4 Inch A36 Steel Plate Hot Rolled, Steel Base Plate with 4 Holes Metal Square Plate is a durable and versatile construction component.