... tool CT-100A: 1. for soft copper, aluminum, soft steel tubes 2. for 3/8" - 1-1/8" O.D. 3. portable ... : Each product is tested before packing, quality guaranteed; Applications: for soft copper, aluminum, soft steel tubes expanding2. About factory Experience: With ... first, improving ourselves to meet more customers’ demands. Refrigeration Copper Tube Expander CT-100A/100M: can expand tubings easily from ...