🔩 Elevate Your Build Game with Glarks T-Nuts! Back spring ball ensures a reliable hold, so you can build with confidence. Crafted from nickel plated carbon steel for superior rust resistance and longevity. Comes in a transparent box for easy access and organization of your T-nuts. Perfect for 3D printers, CNC routers, and industrial aluminum frame structures. Designed for quick drop-in assembly, making your projects a breeze! M3-M6 sizes Durable steel 150 pcs total The Glarks 150Pcs European M3 M4 M5 M6 Hammer Head Drop in T Nut Slot Assortment Kit is a high-quality collection of nickel plated carbon steel T-nuts, designed for easy installation in 20/30/40 series aluminum profiles. This kit includes 150 pieces in various sizes, ensuring you have the right fit for your projects, all neatly stored in a transparent plastic box for convenience.