Features: Our fasteners widely used in aerospaces, rail way, ship, automobiles, computer, furniture and other field. All these screws, nuts and washers packed in a user-friendly plastic storage box, organized into categories and labeles, quickly find the size you need. To avoid these item mess up/broken during the shipping process, we have separate packagings. Our screws not greasy, making them easy to handle and leave less dirt in work area. Suitable for use in various DIY projects such as 3D printing, TV and projectors installation, motorbike repair, furniture repair and more, making it a perfect addition to any home/workshop. Package includes: 3MM NutX230pcs 3MMx6x40pcs 3MMx8 x40pcs 3MMx10X40pcs 3MMx12X30pcs 3MMx16 x30pcs 3MMx20X20pcs 3MMx25X30pcs. Specifications: Material: metal Package Includes: 1 set 3MM Screws & Nuts note: Please allow 1 to 3cm error due to manual measurement, please make sure you not mind before your bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.