Bars consists of three black bars and two white bars; two bars in them are wide bar (and others are narrow).
For its apperance, looks like three black bars makes one character, it has higher density than other barcode symbols.
| * Character Set | Numeric |
| * Code type | Discrete |
| * Length of symbol | variable |
| * Self Check | Yes |
| * Checkdigit | optional |
| * Character Density | about 2.6 chars/cm |
![[Character Composition of Matrix 2of5]](../shurui/images/00-99/09.gif)