Features Galvanized Iron: Made of iron material with galvanized , ensuring strength, durability, and a long service life. Thread and Workmanship: Features clear threading and excellent workmanship, serving as a replacement for old nuts, ensuring practicality. Convenient Storage Box: Includes a storage box for easy carrying and organization, providing convenience and efficient usage. Large Quantity: Comes in a set of 100, meeting various replacement needs, offering practicality and value for money. Strict Quality Assurance: Undergoes strict quality control, ensuring high safety, reliability, and peace of mind during usage. Specification: Item Type: Hex Socket Drive Insert Nuts Set Product Material: Iron galvanized Product Model: M4/M5/M6/M8/M10 Package List: 30 x M4 x 10 Nuts 30 x M5 x 10 Nuts 15 x M6 x 10 Nuts 15 x M6 x 15 Nuts 5 x M8 x 20 Nuts 5 x M10 x 25 Nuts Package List 30 x M4 x 10 Nuts 30 x M5 x 10 Nuts 15 x M6 x 10 Nuts 15 x M6 x 15 Nuts 5 x M8 x 20 Nuts 5 x M10 x 25 Nuts