If you're working on any project that requires reliable, corrosion-resistant hardware, these Persberg M8 lock washers are exactly what you need! This 100-piece pack gives you plenty to work with for current projects and future repairs. Made from 304 18-8 stainless steel, which is seriously durable stuff - it resists rust and corrosion even in tough environments like high humidity areas, outdoor applications, or places with temperature extremes. The larger outside diameter provides better pressure distribution, which is perfect for drywall installations, fencing projects, mounting fixtures, or sheet metal work. What I appreciate about Persberg hardware is the consistent quality - these washers are strong, well-made, and exactly to specification every time. The 8mm inside diameter works perfectly with M8 bolts and screws, and the lock washer design prevents fasteners from loosening due to vibration or movement. They're great for both indoor and outdoor projects, and since they're stainless steel, you don't have to worry about them deteriorating over time like cheaper materials. The pack of 100 means you'll have plenty on hand for multiple projects without needing to run to the hardware store constantly. Persberg stands behind their products with a lifetime guarantee too, though honestly I've never had issues with their hardware. Whether you're a professional contractor or a serious DIYer, having quality stainless steel washers like these in your toolkit makes so much sense. They're one of those basic supplies that you don't think about until you need them, and then you're so glad you have the good stuff!