Feature: 1. Made of 304 stainless steel with passivation treatment, good corrosion resistance. 2. Including 6 different sizes of gasket to meet your different needs. 3. Simple to use, only need to put gasket into the screw or bolt, will get better fixing effect. 4. Teeth on the outside edge of the washer bite into the screw head and joint for a tight grip. 5. Wide application, practical fasteners in the electronics industry. Specification: Condition: Brand New Item Type: External Tooth Lock Washers Material: Stainless Steel Color: As picture shown Application: Fasteners in the electronics industry Package List: 50 x M2.5 Washers 100 x M3 Washers 50 x M4 Washers 50 x M5 Washers 25 x M6 Washers 25 x M8 Washers