Features: For expanding soft tubing when carrying out installation of pipes in Plumbing, heating, gas, refrigeration and air conditioning systems. This hydraulic tube expander kit contains 7 expander Heads, convenient to meet different working needs No copper coupling needed any more, save cost material. Only one side need to be welded, save cost and reduce possibility of leak Used for soft copper tube, Aluminum tube, Titanium tube, soft steel and other soft tube Specifications: Model: CT - 300A 7 expansion heads: CT-300A (Imperial) : 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8" Weight: 4000g Six Easy Steps: 1. Deburring inside of tube. 2. Anneal the tube if necessary (for hard or thick wall tube). 3. Screw the expander head on expander. 4. Put the end of tube on expander head. 5. Tighten the relief value knot to 'on' position then pump handle until tube is expanded to the end. 6. Turn the relief value knob to 'OFF' position to loosen expander head. Remove expanded tube. Package Included: 1 x Hydraulic Tube Expander 1 x Tube Cutter 1 x Inner-outer Reamer 7 x Expander Heads 1 x Box Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1For expanding soft tubing when carrying out installation of pipes in Plumbing, heating, gas, refrigeration and air conditioning systems 2This hydraulic tube expander kit contains 7 expander Heads, convenient to meet different working needs 3No copper coupling needed any more, save cost material 4Only one side need to be welded, save cost and reduce possibility of leak 5Used for soft copper tube, Aluminum tube, Titanium tube, soft steel and other soft tube