25' Rotary Brush Cable System These easy to use residential brush systems are extremely flexible, allowing the brush head to navigate corners, drops and risers. The system includes 8”, 12” and 18” Nylon brushes and 8”, 12” and 18” Silica brushes and is powered by your drill with clutch or one of our drills or drive units. Do not run over 320 RM Only use with a clutched drill Do not use with more than 360 degrees in total turns. If you break any of these rules you will break this cable and it will not be warranted. Optional