BENDING TOOLS are used for the curving of ADC I-beam track channels. The BT-2 is used to bend Models 1400 and 1300 I-beam channels. The tool is fastened to the floor with the channel hand-bent using the convexity of the tool.NO. BT-2 BENDING TOOL 7-1/2 long x 9-1/2 wide x 3-1/2 high For use with Models 1300 & 1400 only.