Yea,That's how I started,buying them multi packs.I had to ask also.I didn't know a Darn thing.As stated all depends on your thickness of wood, a lot of Great advice up there,I'm Thankful they were around when I needed it.
Paul,Down Right Awesome Dragon.I Love the way you put the Ball instead of the clock with it,I myself have tried clocks over the years,not much luck.So I often change clock patterns. Again Awesome job.