C.K T3824 12 1/8-Inch Washers (Box of 100) Steel washers to prevent pop rivets pulling through softer materials. Galvanised steel for corrosion resistance Size: 3.15 mm (1/8") <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.