This heavy-duty 3? swivel locking wheel caster is perfect for any business or industrial application. The black plate design adds a sleek touch to your equipment, while the durable construction ensures long-lasting performance. With its unique design and easy-to-use features, this caster is a must-have for anyone in need of reliable and efficient material handling. Whether you're transporting files, tools, or machinery, this caster will make your job easy and effortless. So why wait? Order your 4 black swivel locking wheel casters today and experience the convenience and quality of this top-of-the-line product.