The ASSORTMENT-SOCKET HD CAP SCREW set includes 300 plain finish socket head cap screws, featuring 25 pieces each of 1/4", 5/16", and 3/8" sizes. These durable screws are ideal for a range of industrial and automotive applications, providing reliable fastening solutions. Designed for ease of use with a socket wrench, they are perfect for assembly and repair tasks. The quality construction ensures strength and longevity in demanding environments.