If you are looking for a professional and drive head nuts, then your research is over here. That’s because our product can meet your need. Adopted of , it is practical and for long time use. It is not easy to get deformed and bring you much convenience. Features - Color: Assorted Color. - Material: Carbon steel. - Size: About 17.50X9.80X1.20cm/6.88X3.85X0.47in(box). -Nut Specification type: M4X8; M4X10; M5X10; M6X8; M6X10; M6X13; M6X15; M8X15; M8X20; M10X15; M10X25 - Made of carbon steel, environmental protection, high hardness, no deformation, rust resistance - Suitable for indoor, outdoor or humid environment, . - Fine workmanship, smooth surface, no burr, uniform stress, not easy to skid, firm and . - Easy to use, you simple tool to complete the installation. - Special design and it is in workmanship. It is the best replacement for your old, broken one. Package list: 30 x M4X8 Nuts 60 x M4X10 Nuts 45 x M5X10 Nuts 18 x M6X8 Nuts 32 x M6X10 Nuts 13 x M6X13 Nuts 12 x M6X15 Nuts 10 x M8X15 Nuts 5 x M8X20 Nuts 3 x M10X15 Nuts 2 x M10X25 Nuts