General wire 4cg 4 clogchopper w/ g connector rip through tough stoppages with the unique clogchopper#8482; multi-function cutting tools. Six self-sharpening blades dig into encrusted debris and root masses, easily grinding up stoppages, scale, and crystallized urine, without risking pipe damage. The spherical design maneuvers around tight bends and traps, thoroughly and safely cleaning metal, plastic, and clay pipes. As it spins it also self-sharpens as it scrapes along the pipe walls. It’s excellent for clearing stacks, downspouts, mains, as well as for drain lining jobs.