This Wave Washer measures 5.408 inches in outer diameter, 4.208 inches in inner diameter, and has a thickness of .053 inches, made from high-quality plastic. Designed to provide a spring effect in mechanical assemblies, it helps maintain consistent pressure and prevents loosening of fasteners. Ideal for use in automotive and industrial applications, this wave washer is lightweight yet durable, ensuring reliable performance. Its design meets industry standards, making it a versatile addition to your fastening solutions.