These screws are ideal for DIY enthusiasts, tradesmen, professionals working in the construction industry. Zinc plated carbon steel screws are a good choice looking for reliable, high quality and effective screws; Suitable for a wide range of applications: for fixing metal frames, metal sheets, metal studs, drywall, all kinds of wood types, etc.; Screwing is very easy with the included screwdriver bit, because you can use cordless drills that can save your time or use a normal screwdriver.