There are a lot of different kinds of screwdriver — at least a dozen distinct types. But, according to Justin May, of Alpers Hardware in Port Washington, New York, unless you work on cars, cell phones ...

At iFixit, Carsten Frauenheim writes: It’s hard to keep track of all the different types of screws, fasteners, bolts, bits, and bobs that hold our lives together, from our fridges and phones to cars ...