This Round Spacer, designed for #4 screws, offers a durable and secure retaining solution. With a .688-inch length, it provides ample space for your project needs. Made of natural Nylon 6.6, it ensures reliable performance and longevity. The .250-inch outer diameter and .156-inch inner diameter offer a precise fit, making it ideal for various applications. Its RoHS compliance guarantees environmentally friendly manufacturing. Perfect for maintaining proper spacing and alignment in assemblies, this spacer is a versatile and essential component for any project.