The 900 Series tube expanders are used on oil coolers and radiators with small tubes. This tool is available in two roller lengths, 3/4″ and 1.1/4″ giving a Tube sheet range from 1/4″-1.1/4″. The OD comes in two sizes, 1/4″ and 3/8″. And the tube wall thickness ranges from 20BWG down to 30 BWG.
One of the most poular tube expanders when working with small diameter tubes.