Features Great Locking: The external tooth design ensures firm and stable locking on the bearing, providing reliable security. Practical Use: Allows for wide application for shock absorption and insulation of mechanical equipment and industrial production, enhancing al efficiency. 300Pcs in All: Includes 8 kinds of clip washers (M2.5, M3, M4, M5, M6, M8, M10, M12), totaling 300 pieces, ensuring versatility for various needs. Good Material: Utilizes premium stainless steel with a sturdy structure, ensuring excellent durability for long term usage and resistance to . Easy to Install: Compact and lightweight design enables convenient installation, saving time and effort for quick completion. Features: 1、Great Locking: Thanks to the external tooth design, the starlock washer ensures firm and stable locking on the bearing, very reliable. 2、Practical Use: Allows for wide application for shock absorption and insulation of mechanical equipment and industrial production. 3、300Pcs in All: There are 8 kinds of clip washer, including M2.5, M3, M4, M5, M6, M8, M10 and M12, 300pcs in total, meeting your needs. 4、Good Material: The utilization of premium stainless 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: External Tooth Star Lock Washer Material: 304 Stainless Steel Specification: 50 x M2.5 External Tooth Star Lock Washer 50 x M3 External Tooth Star Lock Washer 50 x M4 External Tooth Star Lock Washer 40 x M5 External Tooth Star Lock Washer 40 x M6 External Tooth Star Lock Washer 30 x M8 External Tooth Star Lock Washer 20 x M10 External Tooth Star Lock Washer 20 x M12 External Tooth Star Lock Washer Package List: 300 x External Tooth Star Lock Washer 1 x Storage Box Note: There may be a small size error. Package List 300 x External Tooth Washer 1 x Storage Box