Aluminum Backup POP Rivet Washers for 3/16" Diameter Rivets,Aluminum Back Up Washer, Pack of 300

You don't have to drive miles to hardware store to buy these rivet washers, total 300pcs, excellent quality and reasonable price, isn't it your first choice? Aluminum Pop Back-up Rivet Washers are made of high quality aluminum material, which has excellent corrosion and rust resistance, better than others on the market. Aluminum Back Up Washers can be used indoors and outdoors, especially it still can keep stable performance when used in outdoor wet environment, very durable and also has a long service life. Aluminum washers are lightweight and easy to store and carry, it won't take up space and you will never be disappointed. Rivet Washers are widely used for boats, cars, planes, farm, household and other projects.