Features: Upgrades your equipment with this double slotted nut, crafted from quality material for secure connection. Enjoy excellent conductivity and corrosion resistance with this reliable nut, suitable for various device. Perfect for DIY enthusiasts and electronic user in need of reliable nuts. Suitable for wide ranging of applications, including electronics assembly and more. Experience the convenience of this nut set, perfect for organizing your fastening needs. Specifications: Material: brass Size: multiple-size for option M3x6x5 20pcs M3x8x5 20pcs M4x4x6 20pcs M4x5x6 20pcs M4x6x6 20pcs M4x7x6 20pcs M4x8x6 20pcs M4x8.1x6.3 10pcs M4x8x6.5 10pcs M4x8x7 10pcs Package Includes: 1 Box Threaded Nut 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.