Rebar Cutters Benders by Hilmor. Color coded Mandrels designed to fit tubing sized 1/4 in to 7/8 inches makes this tool userfriendly as well as extremely practical. This bending device gives you small-space capabilities one-handed operation and precise bends. Simply align desired mandrel with crossbar place tubing along mandrel and pump the ratcheting handle until precise angle is achieved. This bender works great with soft tubing such as copper steel aluminum and brass.