Features Resistant Material: Constructed from 304 stainless steel, these washers offer superior resistance, making them suitable for use in wet environments. 7 Most Commonly Used Sizes: This assortment kit includes flat mouth and lock washers in M2.5, M3, M4, M5, M6, M8, and M10 specifications, providing the most commonly used sizes for various projects. Easy Storage: The set contains 260 pieces and is conveniently packaged in a sturdy plastic box with multiple compartments and an inner lid display, ensuring easy organization and storage for your next home or car project. Optimal Area: Each stainless steel flat or lock washer efficiently deflects screw or bolt loads, evenly distributing weight for a safe and reliable fit, making them ideal for use in the home or workshop. Safe and : These lock washers and flat washers provide excellent protection and security for nuts and bolts, offering long-term durability for extended 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