1Made from high quality alloy steel, durable, practical and long service life 2Easily switch between drill and drive bits in seconds, never change a bit in the middle of a job again 3Select two different size bits, drill your guiding hole, flip the pivot arm, then drive in any screw, nut, or fastener 4Comes with 8 cross bits, 8 slot bits and 2 countersink bits which can meet your basic needs 5Well packed and assorted in a plastic box for convenient access and storage