Features High-Quality Material: Made of A3 steel, these flat washers offer long-lasting performance, ensuring reliability for various applications. Versatile Functionality: These flat washers efficiently spread loads, prevent damage, insulate steel screws, act as spacers, wear pads, pre-load indicators, locking devices, and reduce vibrations, providing multifaceted solutions. Wide Size Range: This assortment kit includes flat washers of various sizes, catering to different needs and hole diameters, ensuring compatibility with a wide range of fixing nuts. Convenient Storage: The kit comes in a sturdy box and contains 900 flat washers, offering a comprehensive selection that reduces the need for frequent trips to the hardware store, saving time and effort. Long-Term Use: With an extensive quantity of flat washers in each set, this assortment kit provides a reliable supply, eliminating the need for frequent replacements and ensuring prolonged usage. Specification: Material: A3 steel Type: Flat washer Color: Silver Size & Quantity: M3*150pcs M4*150pcs M5*200pcs M6*200pcs M8*150pcs M10*50pcs Weight: 446g(approx.) Package Includes: 900 x Washers Package List