DescriptionThe inner tooth lock washer is made of stainless steel material, which is safe and durable, and can play an excellent fastening function to prevent loosening. Made with excellent craftsmanship. It has good performance and will not rust or damage easily.Features-Color:Silver.-Material:Stainless steel. -Size: About1.80X1.80X0.10cm/ 0.71X0.71X0.04in. - Specification Size: M 3; M 4; M 5; M 6; M 8; M 10. - Made of stainless steel material, very good corrosion resistance, it can be used in a humid environment. - Inner tooth washer, exquisite craftsmanship and stainless steel material, has excellent durability and practicality. - Its reasonable star and inner tooth design can help you quickly lock and fasten. - This is a great gasket that will be used in your daily mechanical maintenance. - It is not easy to rust and can serve you for a long time. It will be your good choice of parts.