Features: <br> <br>100% brand new and high quality. <br>Spring washers can prevent nut from automatic loosening, mainly used for occasions with vibration load or alternating load, tighten to prevent loosening. <br>Made of high quality stainless steel material, these washers are wear-resistant and corrosion-resistant. <br>10 specifications are available: M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, each of type has different quantities. <br>Suitable for electrical connections of domestic and commercial appliances, automotive and marine applications. <br> <br>Specification: <br>Material: Stainless Steel <br>Weight: Approx.17g~54g / 0.6oz~1.9oz <br>Type: 100pcs*M3, 100pcs*M4, 100pcs*M5, 50pcs*M6, 50pcs*M8, 20pcs*M10, 10pcs*M12, 10pcs*M14, 10pcs*M16, 5pcs*M20 (Optional) <br> <br>Package List: <br>1 set * Wave Washers <br> <br>Note: <br>Please allow slight error due to manual measurement. Thanks for your understanding.<br>1、100% brand new and high quality. <br>2、Spring washers can prevent nut from automatic loosening, mainly used for occasions with vibration load or alternating load, tighten to prevent loosening. <br>3、Made of high quality stainless steel material, these washers are wear-resistant and corrosion-resistant. <br>4、10 specifications are available: M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, each of type has different quantities. <br>5、Suitable for electrical connections of domestic and commercial appliances, automotive and marine applications.