Our unthreaded spacers are machined from high quality PVC plastic in a wide range of colors. including clear. gray. white and black. so you can always create a perfect match for the job at hand. Designed for durability and a long service life. our standoffs spacers have a diameter of 3/8''. with lengths ranging from 3/8'' to almost a full four inches. Each order of spacers comes with a quantity of 100 pieces. with discounts provided for larger bulk orders. Suitable for a wide variety of applications. such as spacing one letter on top of another.If you look below you will notice technical descriptions about this particular Spacer.