Multifunctional Set of Quick-change Screwdriver Bits

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.