🥇1. What You Will Get: In this kit, we prepared 450 Pcs 12.9 class alloy steel internal hex drive cup-point set screws for you. All of these items are packed in a handy plastic case with adjustable dividers. In addition, each size is put in particular tiny plastic bag so that screws are not easy mixed. | 🥇2. High Quality: These set screws are made of 12.9 class alloy steel, which have high hardness and splendid corrosion-resistance, with longer time for service. Besides, they also have deep and sharp thread with even force, will not slip out during rotating. | 🥇3. Full Range Size Available: Our grub screws assortment kit contians 15 most popular sizes including:m3 * 3, m3 * 4, m3 * 10, m4 * 4, m4 * 6, m4 * 10, m5 * 5, m5 * 8 , m5 * 12, m6 * 6, m6 * 8, m6 * 10, m8 * 8, m8 * 12, m8 * 16. Total is 450pcs. So that there are a big chance for you to find various size you need for your projects. | 🥇4. Great Value Bargains: This allen set screws metric Kit inlcudes almost all of the metric sizes you need and with much enough quantity and high quality to replace your lost or broken set screws. Most importantly, it will cost less money than the usual hardware store does. How worth it will be for you to get a higher quality product with less money！ | 🥇5. Wide Applications: 12.9 class alloy steel internal hex drive cup-point set screws assortment kit could be widely used on door handles, faucet, light fixture, knobs, armament repair, plumber and other small repairs around the shop, garage or home and so on.