The Crescent Quick Convert Multi Driver replaces the need to carry multiple fastening tools. Three of the most common sizes of nut drivers, 1/4, 5/16 and 7/16in, are integrated into the corrosion resistant, polished chrome shaft. The screwdriver quickly converts to a T-handle position for increased torque. To convert just pull the shaft, rotate the handle and push to lock it in place. The built-in universal pin socket conforms to any fastener\'s shape from 1/4 to 1/2in for a secure fit that won\'t slip. This feature alone replaces around 40 different types of fastener. Fitted with a dual material cushion handle that provides a non-slip grip and resists oil and grease. Supplied with 2 double-ended premium S2 bits, for increased durability and less wear. Bit sizes: PH1, PH2, 5mm & 7mm.