Folding pocket-style 10-in-1 tool with interchangeable bits - 8 screwdriver sizes and 2 nut drivers Unfolds and locks at a 180-degree angle to provide a straight screwdriver Blast finish steel bits provide a firm hold to the fastener to reduce cam-out Contains 5/16-Inch & 1/4-Inch nut drivers, T7, T8, T9, T10, T15, T20, T25, T27 TORX TORX is a registered trademark of Acument Intellectual Properties, LLC