The Apex 480-TX-27X is a T-27 Torx insert bit with a 5/16-inch hex drive and 1-1/4-inch (32mm overall) length. The Torx tip drives Torx fasteners during automotive service, electronics assembly, and equipment maintenance work. The 5/16-inch hex drive supports larger Torx sizes than 1/4-inch drive bits. Supplied individually for industrial, contractor, and MRO power tool accessory programs.