S72038S Square Tube Roller Die 1-1/2" (38.1mm) for MR-50 Section & Tube Rolling Machine
This set of three rollers are for 1-1/2" (38.1mm) Square tube. Tube sizes are measured as outside dimensions of the tubing. Some photos show MR-50 Roller Machine which needs to buy separately
To Suit MR-50 Manual Tube Pipe Roller