WING NUT KIT: Our butterfly wing nut set meets your various DIY/repair needs. This kit includes 100 pieces: 30 x M3 nuts, 25 x M4 nuts, 20 x M5 nuts, 10 x M6 nuts, 10 x M8 wing nuts, and 5 x M10 nuts. The wing nuts are made of high-strength 304 stainless steel, resistant to rust and corrosion. They are durable and reusable and can be used both indoors and outdoors. PLASTIC STORAGE BOX: The nuts come in a non-toxic plastic storage box. The box is lightweight for travel and organizes each wing nut by size, preventing parts from getting lost or mixed up. Our durable nuts are smooth and clean. We recommend cleaning them before each use to prevent slipping. You can use this set daily at home or in industrial workplaces. EASY INSTALLATION: This type of wing nut is quick and easy to install. They are useful in places where fasteners are frequently changed or for regular disassembly/reassembly. The wings allow you to tighten the nut by hand. No tools are required. These parts are ideal for both beginners and professionals. Perfect for DIY projects or quick repairs, and ideal for replacing old wing nuts on your household appliances. MULTIFUNCTIONAL KIT: The uses for this wing nut are endless. They are very useful for machinery, electronics, communication equipment, lighting materials, clamps, woodworking, brackets, and plates. For furniture, bed frames, toilet seats, blinds, brackets, and folding chairs. It's a practical gift for a friend or loved one who enjoys DIY projects. Use them for cymbals, drums, music stands, and vehicles like bicycles and boats.