7" - 11.5" Used Expander Multi Segmented Expander For Ring Expansion On Appliance Housings, Bearing Retainer Rings, Blower and Fan Housings, Metal Containers to Heavy Jet Engine Rings, Glangers and Motor Generator Frames and Pipe Couplings, Mdl. , Enerpac Per8418C, Prod Code C1395C, Foot Pedal, #A5423