Heavy Duty Solid Steel Construction SMARTSTANDARD hairpin legs are made of 3/8" cold rolled sturdy steel with a satin black powder coated finish, ensuring long-lasting durability and stability. The heavy-duty construction allows the legs to support up to 300 lbs, making them ideal for a variety of furniture pieces including coffee tables, desks, and benches. Pre-Drilled Mounting Bracket The mounting bracket for the hairpin legs is pre-drilled with 5 holes for easy installation, saving you time and effort. This convenient feature allows for quick assembly with the tabletop, ensuring a sturdy and reliable foundation for your furniture piece. The pre-drilled mounting bracket provides hassle-free installation, so you can enjoy your DIY project without any unnecessary delays. Additional Floor Protectors When you purchase a set of mid-century modern table legs, you ll also receive a set of rubber feet! The rubber feet are essential for preventing scratches and dents on your floors, keeping them in pristine condition for years to come.