Features Superior Locking Mechanism: The internal tooth design of the starlock washer provides a firm grip, ensuring reliable locking on bearings for enhanced performance Versatile Applications: Ideal for shock absorption and insulation, this washer fastener is perfect for various mechanical equipment and industrial production needs Comprehensive Set: With a total of 285 pieces, this kit includes 7 sizes (M3, M4, M5, M6, M8, M10, M12) to meet all your work requirements effectively Durable Construction: Made from premium manganese steel, these clip washers offer exceptional durability, ensuring long-lasting performance in any application Quick and Easy Installation: Lightweight and compact, these lock washers can be easily installed in minutes, saving you time and effort on any project Features: 1、Great Locking: Thanks to the internal 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、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: Starlock 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 Starlock Washer 50 x M4 Starlock Washer 50 x M5 Starlock Washer 40 x M6 Starlock Washer 40 x M8 Starlock Washer 30 x M10 Starlock Washer 25 x M12 Starlock Washer Package List: 50 x M3 Starlock Washer 50 x M4 Starlock Washer 50 x M5 Starlock Washer 40 x M6 Starlock Washer 40 x M8 Starlock Washer 30 x M10 Starlock Washer 25 x M12 Starlock Washer 1 x Storage Box Note: Confirm the specifications before use. 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 Washer 1 x Storage Box