Features 1、MULTIPLE SIZES: Includes 600pcs fiber washers in many different sizes to meet various usage and replacement needs. 2、HIGH PERFORMANCE: Paper fiber has good elasticity, mechanical strength and insulation, wear, corrosion and heat resistance. 3、WIDE APPLICATION: These flat sealing washers can be used for dry wall, fencing, mounting fixtures and sheet metal etc. 4、WITH PLASTIC BOX: All fiber gaskets are packaged in labeled plastic box, which is convenient for sorting and selection. 5、GOOD SEALING: These insulating gaskets have flat surfaces, with tight connection, providing good sealing. Specification Item Type: Flat Washer Assortment Material: Alloy Steel + Fiber Color: Red Quantity: 600PCS Uses: Suitable for plasterboard, fences, mounting fixtures and sheet metal, etc. Package List 600 x Flat Washers