ESSENTRA / RICHCO part 16FW004032 is a natural PA (polyamide) flat washer with a small inside diameter of 2.9 mm (0.115 in) and a larger inside diameter of 6.4 mm (0.250 in). It has a thickness of 0.8 mm (0.032 in) and is compatible with screw sizes 4. This flat washer is designed to provide additional support and distribute the load evenly when used with screws of compatible size. It is made from durable and dependable polyamide material, ensuring reliable performance and long-lasting use.