They are 10 points for all the Lace brush
These are Lace style
They are AI file for illustrator can work on CS3 to CS6
You get 9 different types of stitch.
1. down them of DA
2. Go into Adobe Illustrator\Presets\Brushes
3. When the brushes file open, best to make a new file name after the brush and put them all in, be easier to find.
Have fun with them.
other links to Brush
Illustrator brush Object stock