3.High Quality,Made of 410 Stainless Steel ,which is one of the highest forms of corrosion resistant steel, making it last longer than other hardware on the market today
Box containing a total of 380 screws in 5 packages.
4.These Self drill Screws are perfect for use wood, fiberglass, and metal.The drill point enables it to drill its own hole in thin gauge steel,No pre-drilling necessary