HELF TIME Drill Driver Description:This item is really practical if you are drilling pilot holes and then putting in the screws. With it, you will not need to change a bit in the middle of a job again, instead, you can just flip the swivel head. This item can great reduce time from changing the drill bits and really increase productivity. It is a clever, workable gadget that will save you time and annoyance. Features:Made from high quality alloy steel, durable, practical and long service life.Easily switch between drill and drive bits in seconds, never change a bit in the middle of a job again.Select two different size bits, drill your pilot hole, flip the pivot arm, then drive in any screw, nut, or fastener.Comes with 8 Phillips bits, 8 slot bits and 2 countersink bits which can meet your basic needs.Well packed and assorted in a plastic box for convenient access and storage. Specifications: Material: Alloy steelPhillips Bits: (2 of each) PH0, PH1, PH2, PH3Flathead Bits: (2 of each) 1/8"/3.2mm, 5/32"/4mm, 3/16"/4.8mm, 1/4"/6.3mmCountersink Bits: 3/32"/2.4mm, 1/8"/3.2mmBox Size: 19.4 x 7.4cm / 7.63 x 2.91"Weight: 462g(approx.) Package Includes:1 x Drill Driver Bit Holder8 x Phillips Bits8 x Flathead Bits2 x Countersink Bits1 x Hex Socket Wrench