Features Durable Plastic Storage Box - Conveniently packed in a sturdy plastic box, ensuring easy storage and protection against damage for your hardware supplies Superior Insulation Properties - Made from high-quality nylon, these washers provide excellent insulation, non-magnetic properties, and heat resistance for versatile applications Comprehensive Size Range - Featuring 9 different sizes (M2-M12), this kit offers a complete selection of reliable nylon gaskets to meet various project needs Versatile Industry Compatibility - Ideal for use in communications, electroplating, medical equipment, office equipment, and electronics, ensuring broad application potential Long-Lasting Performance - Each black nylon washer is designed for durability, delivering consistent performance and an extended service life for your projects Features: 1、The product is packed in plastic box, easy to store and not easy to damage. 2、Nylon has the characteristics of insulation, non-magnetic, heat insulation and resistance. 3、The models are complete in specifications and reliable in quality. 4、The set is suitable for industries such as communications, electroplating, medicine equipment, office equipment, electronics, etc. 5、The black nylon washer is featured with good peformance and long service life. Specification: Item Type: Black nylon washer Colour: Black Material: Nylon Application: Suitable for communication, electroplating, medine equipment, office equipment, electronics and other industries Products Include: M10x20x2 40PCS M12x20x2 50PCS M6x12x1.2 50PCS M8x16x1.5 50PCS M2x5x1 100PCS M2.5x5x1 100PCS M3x6x1 100PCS M4x8x1 60PCS M5x10x1 50PCS Package List: 40 x M10x20x2 50 x M12x20x2 50 x M6x12x1.2 50 x M8x16x1.5 100 x M2x5x1 100 x M2.5x5x1 100 x M3x6x1 60 x M4x8x1 50 x M5x10x1 Package List 40 x M10x20x2 50 x M12x20x2 50 x M6x12x1.2 50 x M8x16x1.5 100 x M2x5x1 100 x M2.5x5x1 100 x M3x6x1 60 x M4x8x1 50 x M5x10x1