fact

1. The screw actually was invented before the screwdriver

2. There are several screwdriver types including the flat head and the phillips

3. A screwdriver is a tool used to turn or drive screws into something like wood.

4. The handle of the screwdriver is called a cylindrical handle

5. Most screwdrivers are used by hand but there are some people that use an electric drill to turn the bit.

6. The most common types of screwdriver in the US are Phillips head and slot head. Then there's the less common Torx or star head, a super cool six-pointed star-shaped head, which is used on things that need to get very tight. 

7. the screwdriver has a long history the kind that is sort of complicated kind of working in the process.