Flat washers and spring washers set is made of stainless steel materials, and can be used for a long time. They are nice resistance to corrosion and rust, to withstand dust, strong and for not to break, deform or rust easily, you can store and use them for a long time. Features -Color:Silver -Material:Stainless steel -Size:13.00X6.60X2.20cm/5.11X2.59X0.86in -Made of stainless steel material, which is sturdy and , reliable and not easy to deform. -These washers are suitable for long-term use and provide excellent protection and security for . -Easy to install and remove, suitable for amateurs, beginners and professionals use. -These washers come in multiple sizes to fit different your screws, nuts, and bolts fastening. -Sufficient quantity and packaging in a plastic box for convenient storing and using. Package list: Washers 4# Washers 6# Washers 8# 60 x Washers 10# 70 x Washers 12# 70 x Washers 1/4"