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 1/4-2045Pcs 10#-2445Pcs 8#-328Pcs 3/8-1610Pcs 5/16-18230Pcs includes:45Pcs 10#-2442Pcs 1/4-2010Pcs 5/16-188Pcs 3/8-168Pcs M85Pcs M105Pcs M1245Pcs 8#-3255Pcs M335Pcs M425Pcs M515Pcs M6 Specifications:Material: Galvanized GalvanizedQuantity: 150pcs/230pcsSize: 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.