1023Pcs M3 Screw Assortment 13 Lengths 4Mm To 40Mm, 10.9 Alloy Steel Nuts, Black [Larger Quantity: 1023Pcs, Various 13 lengths of M3 Screw with Nuts and Flat Washers Meet More Demands] Nice M3 bolts and nuts kit. 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 25mm, 30mm, 35mm, 40mm. M3 Bolts are in 13 lengths. 340 x M3 Nuts; 340 x M3 Washers. 1 x hex key, 1 x tweezer, 1 x transparent screws and nuts organizer. [Customize 13 Lengths More Choices, Metric Bolt Assortment Accord with Standardized Metric System] Different length of M3 screws and nuts total 1020pcs. From the customer's point of view, combined with the actual situation, K Kwokker specially match 13 lengths of m3 screw kit. RC lovers dream! Must have for modifications and tinkerers. The variety of sizes work perfectly for all the different projects. It?s really nice not have to search for old screws in the parts bin anymore. [Durable M3 Metric Screw Assortment Made of High Quality 10.9 Grade Alloy Steel, More Than 20 Years of Experience in Fastener Tool Production] Assorted screws nuts and bolts have good finish with pretty good machining and tolerances. [More Clean and Tidy] Each screw is packed separately in a transparent bag, and then put in the box to avoid confusion. Storage: Assorted screws all are stored in one storage bin box, easy and convenient for storing and carrying, in case of missing or confusing. [K Kwokker Screws Assortment Can Be Widely Used] in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc. Perfect fit for drone building, 3D printer, motorcycle, IKEA desk, RC car, RC crawler, RC project, DIY project, etc.