The ClogChopper™ multi-function cutting tools from General Pipe Cleaners, A Div. of General Wire Spring Co., McKees Rocks, Pa., features six self-sharpening blades to dig into encrusted debris and root masses, grinding up stoppages, scale, and crystallized urine without risking line damage, the company said. The spherical shape maneuvers around tight bends and traps, cleaning metal, plastic and clay pipes. The product is available in 1-, 1.5-, 2-, 2.5-, 3- and 4-in. sizes.