Product name: Metric 304 stainless steel flange nut combination kit. The product is equipped with a sturdy plastic storage box, which is convenient for storage and carrying.Corrosion-resistant galvanized surface, to ensure lifetime use, these high-quality classified washing machines are suitable for homes, cars and shops.Quantity: Contains 140 pieces of 7 most commonly used 304 stainless steel flange nuts in 7 sizes. Different types of flange nuts are designed to highlight materials for easy welding penetration and are widely used in industrial machinery.Wide range of applications: It is an excellent substitute for industrial and construction fasteners, and can also become an important accessory in your daily life.Colour: as shownMaterial: Stainless steelPackage Contents:35 x M3 - Flange Nuts Assortment Kit30 x M4 - Flange Nuts Assortment Kit25 x M5 - Flange Nuts Assortment Kit20 x M6 - Flange Nuts Assortment Kit15 x M8 - Flange Nuts Assortment Kit10 x M10 - Flange Nuts Assortment Kit5 x M12 - Flange Nuts Assortment KitOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.