Enhance your assembly projects with this essential Round Spacer. Designed for precision, it features a .171-inch inner diameter and a .500-inch outer diameter, with a .250-inch length for optimal spacing. Crafted from durable and lightweight natural nylon, it ensures reliable performance. Perfect for #8 (M4) screws, this spacer guarantees secure fastening. With its round shape and RoHS compliance, it meets industry standards for quality and environmental responsibility. Upgrade your toolkit with this versatile component for seamless construction.