The Powerbuilt by Alltrade Tools 17 Pc. Master Screwdriver Set, No. 949018, is organized in high-end EVA foam trays that slide right into the drawers of a tool box. The screwdrivers have soft-grip, dual-density handles for non-slip comfort, textured magnetic tips to grab fasteners easier and silicon vanadium chrome magnesium alloy blades. This set conforms with ANSI standards and includes slotted and phillips screwdrivers in various sizes. There are hex holsters on mid- and large-size drivers.