This pack of 100 machine screws provides exceptional durability and reliability for your construction and repair projects. Crafted from zinc-plated steel, these combination round head screws are designed to resist corrosion, ensuring longevity even in challenging environments. With a size of 1/4-20 and a length of 3/4 inches, these screws are versatile enough to fit a variety of applications, making them a must-have in any toolkit.