1、The gaskets are made of 304 stainless steel, good corrosion resistance. 2、9 different sizes of gasket meet your different needs. 3、It is very simple to use, only need to put gasket into the screw or bolt, will get better fixing effect. 4、Simple structure, and it is easy to use. 5、Widely Application: Perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection Feature: The gaskets are made of 304 stainless steel, good corrosion resistance. 9 different sizes of gasket meet your different needs. It is very simple to use, only need to put gasket into the screw or bolt, will get better fixing effect. Simple structure, and it is easy to use. Widely Application: Perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection  Specification: Material: 304 Stainless steel Type: Flat Product specification: M2\M 2.5\M3\M4\M5\M6\M8\M10\M12  Package list: 100 * Gasket(M2) 100 * Gasket(M 2.5) 100 * Gasket(M3) 100 * Gasket(M4) 60 * Gasket(M5) 40 * Gasket(M6) 50 * Gasket(M8) 20 * Gasket(M10) 10 * Gasket(M12) Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.