Can You Identify All of These Common Construction Tools?
21. You'll need one of these to loosen a screw with a cross-shaped slot in its head. Do you know what it's called?

Correct Incorrect The Phillips screwdriver was named for Henry F. Phillips. Phillips didn' actually invent the Phillips screw; he bought the design from John Thompson and then made it famous. Phillips screws are now the most widely used screws in the world.