Features Durable Stainless Steel Composition: Crafted from 304 stainless steel, these washers offer excellent resistance, making them suitable for use in wet environments Versatile Size Range: This assortment includes 7 commonly used sizes (M2.5, M3, M4, M5, M6, M8, M10), ensuring you have the right fit for a variety of projects Convenient Storage Solution: Packaged in a sturdy plastic box with multiple compartments, this kit makes organizing and accessing your washers quick and easy Enhanced Load Distribution: Each washer effectively distributes weight and deflects loads, providing a secure and reliable fit for all your fastening needs Long-Lasting Security: Designed for durability, these washers ensure excellent protection for nuts and bolts, making them ideal for both home and workshop use Features: 1、 RESISTANT MATERIAL: 304 stainless steel spring lock washer group, possess good resistance, can be used in wet environment 2、7 MOST COMMONLY USED SIZES: Flat mouth and lock washers include M2.5, M3, M4, M5, M6, M8, M10 specifications 3、EASY STORAGE: Get your gasket ready for your next home or car project. The set contains 260 pieces and is packaged in a convenient, sturdy plastic box with multiple compartments and an inner lid display for easy organizing 4、OPTIMAL AREA: Each stainless steel flat or lock washer easily deflectors screw or bolt loads, evenly distributing weight for a safe and reliable fit, ideal for use in the home or workshop 5、SAFE AND : These lock washers and flat washers provide excellent protection and security for nuts and bolts, and can be used for a long time with excellent durability Specification: Item Type: Flat Lock Washers Assortment Kit Material: 304 stainless steel Flat Washer: M2.5, M3, M4, M5, M6, M8(20pcs of each), M10(10pcs) Lock Washer: M2.5, M3, M4, M5, M6, M8(20pcs of each), M10(10pcs) Package List: 130 x Flat Washer 130 x Lock Washer 1 x Storage Box Note: Due to small size, please keep properly to avoid accidental swallowing or other dangers caused by children playing! Package List 130 x Flat Washer 130 x Lock Washer 1 x Storage Box