The Milwaukee® 3/4 in anchor cable is constructed of industrial steel spring. It carries power through the end of the cable for maximum clog crushing force. These drain cables are compatible with the MX FUEL™ MFX500 and MXF501 sewer drum machine and other professional drain cleaning machines. Milwaukee® drain cables are backed by a 2 years warranty. Milwaukee® MX FUEL™ Anchor Cable, All Purpose Wind, 3/4 in Dia Size, For Use With: MX FUEL™ MXF500-1CP, MXF501-1CP Sewer Drum Machine, Steel Spring