Nylon washers prevent excessive wear of nuts and their parts and are widely used in various fields such as semiconductor, automotive, aerospace and interior. Features: - Manufactured made of durable nylon, good stability, excellent insulation, strength corrosion, thermal insulation, which contributes & agrave; extend the service life of various parts -The set contains 500 flat washers, specific specifications: 100 x M2, 100 x M2.5, 80 x M3, 50 x M4, 50 x M5, 50 x M6, 50 x M8, 20 x M10 -White plastic washers isolate the steel screw from the surface and prevent damage to the surface. to stare. Mount & oacute; under the head of a screw or nut to ensure a smooth surface -Clear plastic storage box with compartments so you can quickly identify and prevent loss. Very practical Features: Material: nylon Technical data: M2, M2.5, M3, M4, M5, M6, M8, M10 Color: White Weight: 70 g Quantity: 500 delivery parts: 500 x washers If you have any questions, please feel free to do so. Contact us. We