... and on a side side note ...
If you work on your vehicles a lot, having a set of lift blocks comes in real handy too. I made a set of 8 out of 4x4s and 2x6s for fairly cheap. 2 blocks have chocks on the top surface. They also have a hole thru the center of each, so they can be stacked 2 high and you use a long carriage bolt to 'pin' them together.
When I did the clutch on my Camaro, I was able to have the entire car 10" higher by putting 2 stacked lift blocks under each tire. It makes working under the car way easier for an old guy like me.
Here is a picture of one in use so you can see what they look like:
