The Mayhew Tools 7-pc Torx Screwdriver Set, No. 27031T, features ergonomic tri-lobular handles and high-alloy steel blades with a durable black oxide finish. Each tool also has a ribbed design on the neck of the handle for fingertip control and for a non-slip grip. The tools are made with a custom heat treatment and temper process and all tips are precision machined to industry specifications. The set includes three 3” blade screwdrivers (SD-TORX T10, SD-TORX T15, and SD-TORX T20), three 4” blade screwdrivers (SD-TORX T25, SD-TORX T27, and SD-TORX T30), and a 5” blade (SD-TORX T40). The set also comes in a custom molded tray, designed to fit inside tool drawers. Made in the U.S.A .