HYDRAULIC TUBE EXPANDER 1.Manual hydraulic mechanism designed can expand from 10mm to ... effort. 2.Used for soft copper tube, aluminum tube, titanium tube, soft steel and other soft tube. 3.Expander segments are made of high-quality ... 8"O.D.Tubing. Any 3 sizes of these 5 expander heads are optional: 1-1/4",1-3/8", ... ,28mm, O.D.Tubing. Any 3 sizes of these 6 expander heads are optional: 32, 35, 38,42mm, O.D. ...