Premium Multi-Head Tube Expander With Color Coded Heads For 1/4', 5/16', 3/8', 1/2', 5/8', 3/4', 7/8', 1', 1 1/8' O.D. Introducing BlackMax tubing tools- a new line of unique featured, premium grade, and hard-working tubing tools from CPS. Used for cutting, deburring, flaring, expanding and bending soft copper and aluminum tubing.BlackMax Tube Expanders: Nine quick-change tube expanders for soft copper and aluminum tube Durable, color-coded, aluminum heads Make forward or reverse bends Compact, professional, patented design. Strong carrying case