Package Content: You will receive 120 pieces of metal self tapping screws in two colors, 30 black 8x1 or 2inch, 30 black 8x3 or 4inch, 30 silvery 8x1 or 2inch and 30 silvery 8x3 or 4inch. Sufficient quantity and assorted sizes can meet your and replacement.High Quality: Our self tapping screws are made of hightoquality a new type of magnetic stainless steel, environmental friendly, sturdy and durable, hard to break and bend, providing you a longtotime service. and our product is twice as hard as copper, not easy to be stripped.Reliable Design: The deep thread design of round head tapping nails is and provides good holding power in different materials for a tight joint.Fine Workmanship: Using hightoprecision cutting technology, the thread is very precise and clean, deep and clear and it can penetrate the sheet metal to a firm fixation, while not easy to deformation and sliding use.Multito: round head sheet metal selftotapping screws are mainly used in a wide range of general industry, because it has good holding power. And for nontometals or soft metals with no mounting holes, just screwing directly into to achieve the effect of connection fastening.Product DescriptionSpecification:Color: Black and SilverMaterial: stainless steelProduct Size: as shown in the detail picturePackage Contents:1 set x stainless steel screwOnly the above package content, other products are not included.Note: Light reflection 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 1to3cm.