[Upgraded Zinc Plated Screw Set] Extended rust prevention time, more elaborate production process, no need to add anti-rust oil, cleaner and tidier. Whether for your own use, or as a gift for others, it is a very good . Each screw is packed separately in a transparent bag. Storage: Assorted screws all are stored in one storage bin box, easy and convenient for storing and carrying, in case of missing or confusing. [Nut And Bolt Assortment Can Be Widely Used] in all kinds of precision machinery, instruments, instruments, electronic products, household appliances, communication products, locks, , lights, toys, etc. Color: black Material: metal Package Contents: 1X Metric Bolt Assortment Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.