Feature●Nuts and Bolts Set: 570 Pcs various sizes of M2 M2.5 M3 screws with matching nuts, totally 12 type models. Our bolts and nuts kit assortment meets your multiple needs. Combined with 3 sizes of Hex Wrenches.●High Quality Material: The bolts and nuts are high-quality stainless steel, and the storage box is non-toxic plastic. which features is strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas.●Standard Metric: Our M2 M2.5 M3 Assorted Bolts & Nuts with standardized metric system. And the average error is less than 0.01mm. The Nuts expand the contact area and reduce the pressure in order to protect the screws and parts.Compact and force uniform screw thread is not easy to out of shape and slid in the process of rolling and installation.●Assorted Storage Box: All screws, nuts, and hex wrenches are put in the clear plastic storage box, convenient for storage and use. This assorted bolts and nuts set include a number of different sizes to suit various jobs.●Wide Application: Ideal for use by a variety of workers and repairmen from plumbers to assemblymen both professional and amateur, even DIY usages can opt to use it. Also good for furniture repair and plumbing to woodwork and other DIY projects.Description