DescriptionThese are some retaining washers, made of carbon steel material, wear resistant and anti-. They are used to fix the machine parts, no- slip,no shake,stable and firmly. Contains more bearing clamp washers, enough for you daily use.Features- Color:Black.- Material: Carbon steel.- Size: About2. 60X2. 60X0. 10cm/1. 02X1. 02X0. 04in.- Specification: - .-High precision locking washers, 7 sizes, sufficient quantity can meet various needs.-Adopts carbon steel, hard and durable. Applicable to different sizes of fasteners. -A lock washer exerts a spring between the fasteners head and the substrate to create more friction and resistance to rotation.-Widely used in machinery equipment, industrial production of shocks absorption and insulation.-Good resistance, can be used in a humid environment. Package Including 210 x Locking Washers