1219 PCS & 26 SIZES: The set screw assortment kit includes most popular common sizes. Metric: M3 M4 M5 M6 M8. SAE: 1/8-40*1/8, 1/8-40*5/32, 1/8-40*1/4, 1/8-40*5/16, 5/32-32*3/16, 5/32-32*1/4, 5/32-32*5/16, 3/16-24*3/16, 3/16-24*5/16, 1/4-20*1/4, 1/4-20*3/8, 5/16-18*5/16. covering common metric set screws needs for daily repair and professional use. Comes with 9 hex wrenches for easy operation 12.9 ALLOY STEEL: Made of 12.9 class alloy steel, this set screw assortment kit offers superior hardness, wear resistance, and long-lasting durability compared to standard screws. These grub screws feature precise machining, smooth surface, and deep threads, ensuring strong grip and preventing stripping or slipping during installation HEX SOCKET CUP POINT: Designed with internal hex drive and cup point tips, these hex socket set screws provide strong holding power and vibration resistance. Easy to install and ensures tight, secure fastening WIDE APPLICATION: This grub screw set is widely used for door handles, bathroom fixtures, faucets, plumbing, furniture, cabinets, and machinery. Suitable for home repair, DIY projects, and industrial maintenance, making it a versatile set screws kit for multiple scenarios ORGANIZED STORAGE: All set screws are neatly packed in a durable storage box with labeled compartments, allowing quick identification of sizes. Compact and portable design makes this set screw kit easy to store, carry, and organize, improving your work efficiency GLADRVWAY Grub set screws can be used for door handles, faucets, lamps etc. 1219pcs set screw assortment kit is adequate for routine repairs. Set screws for bathroom fixtures are applied 12.9 class alloy steel, and assorted gunsmith screws are of good corrosion resistance in terrible environments. This set screw kit is popular by our customers, after using allen set screws assortment kit they reviewed that these alloy steel set screws are of good quality. Besides, metric set screws and allen set screws perfect fit my locks, toys and plumbers. This socket set screws is a great kit! A small set screws assortment kit can help you solve most troubles.