The K-50 Sectional Machine is the perfect all-around sink, shower and floor drain tool. With the capability to run three different size cables: 5⁄16″ (8 mm), 3⁄8″ (10 mm) and 5⁄8″ (16 mm) and a unique, easy-to-use, instant-acting cable clutch, this machine will make short work of clogged drains.