Industrial 2 of 5 barcode Symbology (is also known as 2 of 5 Industrial, 2/5 Industrial, 2 of 5 Standard, Standard 2 of 5, 2/5 Standard, Code 2/5, 2 of 5, C 2 of 5). Standard 2 of 5 is a low-density numeric linear barcode symbology is implemented 1960s. It has been used in the photofinishing and warehouse sorting industries, as well as sequentially numbering airline tickets. The symbology is called "2 of 5" due to the fact that digits are encoded with 5 bars, 2 of which are always wide (and the remaining three are narrow). Our Bar coding system is ideal bar codes designer program that can make industrial 2 of 5 barcode labels,tags content and tags. Bar code software supports all linear and 2d barcode fonts.