CPS BTB300 Premium Ratcheting Tube Bender w/ Reverse Bend BTB300 Premium Ratcheting Tube Bender w/ Reverse Bend CPS BTB300 Solid aluminum color-coded mandrels Forward or reverse bends from 0 to 90 Reverse bend mechanism for tight quarters For soft copper and aluminum tube Rugged carrying case The CPS BTB300 is a premium ratcheting tube bender with a reverse bend.