- Convenient Storage: The washers are neatly organized in a clear storage box with multiple compartments for easy access and retrieval. - Safe and Reliable: With a glossy finish, these copper flat washers will not damage other fasteners or mating surfaces, helping ensure safe and reliable use. - 300 Pieces in Assorted Sizes: This assortment kit includes 300 copper flat washers in various sizes, making replacements quick and straightforward. - Versatile Usage: Ideal for automotive, bearings, pumps, door and window sealing, as well as a wide range of electrical connections. - Why you need this: Keeps a ready supply of copper flat washers organized and accessible, reducing downtime when you need a replacement washer and ensuring proper load distribution and contact in fastener assemblies. - What makes it stand out: A clear, compartmentalized storage box keeps washers sorted by size, while a generous 300-piece quantity covers multiple projects, all in a durable copper material with a protective glossy finish. - 2-3 practical use scenarios: - Automotive and machinery: Use washers as load distributors under bolt heads to protect surfaces and maintain secure, even clamping in engines, brackets, and mounts. - Electrical connections: Deploy in electrical assemblies where a conductive washer provides a stable, broad contact surface for reliable connections. - Doors and windows: Utilize in mounting hardware and weather sealing applications to improve sealing performance and mounting stability.