The number refers to the number of blocks per inch.
The links in the first row are for paper with bold one-inch grid lines.
The links in the second row are for non-bold one-inch grid lines.
(The difference may not be visible on the screen, but should be on the printed page.)
|Bold 1" Grid||One||Two||Three||Four||Five||Six||Seven||Eight||Nine||Ten||Eleven||Twelve|
|Non-Bold 1" Grid||One||Two||Three||Four||Five||Six||Seven||Eight||Nine||Ten||Eleven||Twelve|