TEKTON 2757 8-piece. Mechanic's Screwdriver Set features: Hardened and Tempered Chrome Vanadium Steel Shafts, Durable Chrome Plated Finish, Precision-Machined, Vapor Blasted and Magnetized Tips, Square Mechanic's-Style Handles, High-Visibility Orange Handles Make Screwdrivers Easy to Locate, Hex Bolster for Wrench-Assisted Torque (on Most Sizes), 5-pc. Flat: 1/4 in. x 1-1/2 in., 3/16 in. x 3 in., 1/4 in. x 4 in., 5/16 in. x 6 in., 5/16 in. x 8 in., 3-pc. Phillips: #2 x 1-1/2 in., #1 x 3 in., #2 x 4 in.