Shop RIDGID KM-1004 Milling FlexShaft Machine Accessories at McCally Tool and Supply! The KM-1004 Milling Machine takes the FlexShaft® line of drain cleaning machines into a new space. With hybrid-power capability, you have cordless freedom with corded dependability. The machine comes with 80' of 5/16" DeadCore™ cable for use in 2" to 4" pipes. The machine is also capable of accepting 1/4" cable for 1-1/4" to 2" pipes. The auto-adjusting I-Clutch™ recognizes what cable is installed and adjusts the clutch setting accordingly to protect your cable. Equipped with a brushless motor for maximum power and longevity, cable counting for superior precision, and a telescoping handle with wheels for ease of transportation.