Features: The rivets nut is made of carbon steel and stainless steel, which is strong rust-proof and corrosion-resistant, and can be used for a long for time. Galvanized surface helps prevent surface damage and fading, anti-oxidation, healthy lead-free, high strength, no deformation. The nut kit is lightweight and comes with a transparent storage box for easy portability. Multi-purpose: widely used in automobiles, furniture, decoration and other electrical appliances and industrial products, suitable for air conditioning, fire for protection, gas or beverage, food, chemical industry, sheet metal factories and other occasions. Easy to use: The operation process is simple and labor-saving, saving for time and effort, and a special rivets nut tool can be selected according to the riveting strength and size to fix the rivets nut. Package Includes: 150Pcs includes: 42Pcs 1/4-20 45Pcs 10#-24 45Pcs 8#-32 8Pcs 3/8-16 10Pcs 5/16-18 230Pcs includes: 45Pcs 10#-24 42Pcs 1/4-20 10Pcs 5/16-18 8Pcs 3/8-16 8Pcs M8 5Pcs M10 5Pcs M12 45Pcs 8#-32 55Pcs M3 35Pcs M4 25Pcs M5 15Pcs M6 Specifications: Material: Galvanized Galvanized Quantity: 150pcs/230pcs Size: As Shown note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.