Features Premium Material: Made of high-quality red steel and paper fiber, these washers provide excellent insulation performance, ensuring safety and durability in various applications. 12 Sizes Assortment: This kit includes 600 flat washers in 12 different sizes, catering to a wide range of needs and offering versatility for various projects and repairs. Long-lasting Supply: With a generous quantity in each set, you can rely on this assortment for a prolonged period, eliminating the need for frequent replacements and saving time and effort. Convenient Storage: All washers are neatly organized in a plastic box, allowing for easy access, storage, and portability, ensuring a tidy work environment and efficient usage. Reliable Quality: 100% and , these washers meet professional standards, providing peace of mind and confidence in their performance for your projects. Features: 1、100% and . 2、Made of premium material, these washers have good insulation performance. 3、There are many different sizes in this set that can meet your various needs. 4、Each set contains many washers that can be used for a long time, so you don't have to run to store looking for washers for quite a while. 5、All washers are well packed in a plastic box for convenient storage. Specification: Features: 100% and . Made of premium material, these washers have good insulation performance. There are many different sizes in this set that can meet your various needs. Each set contains many washers that can be used for a long time, so you don't have to run to store looking for washers for quite a while. All washers are well packed in a plastic box for convenient storage. Specification: Material: Red steel paper Size(outer dia.*inner dia.*thickness) & Quantity: 10*5.5*0.8mm 160pcs 12*6.5*0.8mm 100pcs 16*8*0.8mm 60pcs 16*10*0.8mm 80pcs 19*12*0.8mm 40pcs 20*12*0.8mm 40pcs 22.5*14*0.8mm 20pcs 22*16*0.8mm 30pcs 25.4*17.5*0.8mm 15pcs 27*20*0.8mm 20pcs 32*22*0.8mm 20pcs 32*24*0.8mm 15pcs Weight: 180g / 6.3oz (approx.) Package list: 1 box * Washers Package List