The Rod Sources can be supplied with two dimensions: a rod with a length of 74,9 mm or a rod with a length of 127 mm. The diameter is 12,7 mm.

The sources are calibrated by the manufacturer and have a high accuracy.  

Following sources can be supplied: 
Co-57, Cs-137, Ba-133, Co-60, Mn-54, Na-22, Cd-109 and Eu-152.