Line widths can be specified as integer multiples of the default width up to a maximum of 21. The effect will depend on the resolution of the device, but for high resolution devices such as laser printers the following should be valid:
1 0.13mm
2 0.25mm
3 0.38mm
4 0.50mm
5 0.63mm
6 0.75mm
7 0.88mm
8 1.00mm