The ABBATRON / HH SMITH Part 9186 is a high-quality nylon round spacer designed for precision and durability in various applications. With an outer diameter of 3/16 inches and an inner diameter suitable for #4 screws, this spacer is ideal for maintaining consistent spacing between components. Its 1/2-inch length provides the perfect balance between strength and lightweight versatility. Crafted from durable nylon, it offers excellent resistance to wear, corrosion, and environmental factors, ensuring long-lasting performance in both indoor and outdoor settings. Ideal for electronics, prototyping, and DIY projects, this spacer is a reliable choice for ensuring optimal clearance and alignment in your assemblies.