The ABBATRON / HH SMITH Part 4018 is a high-quality nylon round spacer designed to meet your precision spacing needs. With an outer diameter of 1/4 inch and an inner diameter sized for #4 screws, this spacer is perfect for ensuring accurate alignment and preventing component contact in various applications. Its 1/2 inch length offers just the right amount of separation for compact assemblies. Made from durable nylon, this spacer provides excellent insulation properties and resistance to wear and chemicals. Ideal for use in electronics, prototypes, and other mechanical setups, ABBATRON / HH SMITH Part 4018 ensures your projects maintain both functionality and reliability.