This 310-piece assortment of USS pattern grade 8 flat washers from SWORDFISH is a must-have for any hardware enthusiast or professional. Made of zinc-plated material, these extra thick washers provide superior strength and durability for all your fastening needs. With a system of measurement that meets USS type standards, these flat washers are perfect for a variety of applications in construction, automotive, and industrial settings. The assortment includes a range of sizes to ensure you always have the right washer for the job. Upgrade your hardware collection with this reliable and high-quality SWORDFISH washer assortment.