Contains: Ratcheting Screwdriver Handle, Phillips® Bits: #0, #1, #2, #3, Square Bits: 0, 1, 2, 3, Slotted Bits: 3.5, 4.5, 5.5, 6.5. Bits conveniently store in compartment inside handle. 3 setting ratcheting mechanism: clockwise, counter clockwise and locked neutral. 1/4″ hex quick release bit holder allows for fast and secure bit changes.