Description: This item is really practical if you are drilling guiding 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, n ever change a bit in the middle of a job again. Select two different size bits, drill your guiding hole, flip the pivot arm, then drive in any screw, nut, or fastener. Comes with 8 cross 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 steel Cross Bits: (2 of each) PH0, PH1, PH2, PH3 Flathead Bits: (2 of each) 1/8"/3.2mm, 5/32"/4mm, 3/16"/4.8mm, 1/4"/6.3mm Countersink Bits: 3/32"/2.4mm, 1/8"/3.2mm Box Size: 19.4 x 7.4cm / 7.63 x 2.91" Weight: 462g(approx.) Package Includes: 1 x Drill Driver Bit Holder 8 x Cross Bits 8 x Flathead Bits 2 x Countersink Bits 1 x Hex Socket Wrench Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.