Feature: 1. Great Locking: Thanks to the internal tooth design, the washer ensures firm and stable locking on the bearing, very dependable. 2. Practical Use: Allows for wide application for shock absorption and insulation of mechanical equipment and industrial production. 3. 285Pcs in All: There are 7 kinds of clip washer, including M3, M4, M5, M6, M8, M10 and M12, 285pcs in total, meeting your work needs. 4. Good Material: The utilization of premium manganese steel with a sturdy structure enables excellent durability for long term usage. 5. Easy to Install: Compact in size and light in weight as well, the convenient installation can be quickly completed within minutes. Specification: Item Type: Washer Colour: Black Material: Manganese Steel Application: Widely used for shock absorption and insulation of mechanical equipment and industrial production. Products Include: 50 x M3 Washer 50 x M4 Washer 50 x M5 Washer 40 x M6 Washer 40 x M8 Washer 30 x M10 Washer 25 x M12 Washer. Package List: 50 x M3 Washer 50 x M4 Washer 50 x M5 Washer 40 x M6 Washer 40 x M8 Washer 30 x M10 Washer 25 x M12 Washer1 x Storage Box Note: Confirm the specifications before use.