Megapro 13 in 1 Ratcheting Driver features patent pending ZAD 8 zinc alloy SOLID-CORE ratchet that delivers over 225 lbs. of torque strength. The bit load consists of double ended bits, Phillips 0-3, Phillips 1-2, Flat(slotted) 4-6, Torx 10-15, Torx 20-25, Square(Robertson) 1-2. And of course the 1/4″ hex shaft.