Feature: For different sized tubes. Salvage shorts and scraps to make couplings. Plastic molded carrying case for neat storage. No copper coupling needed any more, save cost material. Only one side need to be welded. User Instruction: 1 Prepare before expanding. 1.1 Anneal the hard tube. 1.2 Deburr the tube. 1.3 Put on the expander head. 1.4 Put on the tubing, insert expander head in it completely or replace a correct size expander head. 2 Start expand tubing - push the levers: push the levers until the tubing is expanded completely. 3 After tubing is expanded - pull the levers: pull the levers, the expander punch will retract, then remove the tubing from expander head.
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