This metal replacement washer is a game changer for anyone in the industrial and scientific field.The sturdy design guarantees the longevity of your roofing screws as well as ensuring minimal maintenance. Additionally the washer`s INSTALLATION process is hassle-free and straightforward. The only downside is that it's quite expensive compared to other screw washers in the market. Nonetheless, investing in this product can save you time and money in the long run..