These durable spring steel external snap retaining rings are designed for secure and reliable applications. Crafted from high-quality spring steel with a black oxide finish, they offer superior strength and corrosion resistance. Measuring 3/16" in diameter, these rings are ideal for various mechanical assemblies, fastening components, and securing parts in place. The pack includes 15 pieces, ensuring you have ample supply for your projects. With their robust construction and precise dimensions, these retaining rings provide a secure fit and long-lasting performance. Whether you're working on machinery, equipment, or DIY projects, these snap rings are an essential component for reliable and secure connections.