Hub for Hydraulic Root Cutter RSH 1A Category_Default Category Products Hydro Jetting Tools Sewer Jetting Nozzle Extensions These hubs or arbors are Category_Default Category Products Lateral Hand Rodding Tools No. 5 Tools and Sets These hubs or arbors are essential for attaching your saw blades to the rotating shaft of the hydraulic root cutter The handle is made of heavy duty fiberglass with locking ferule and is non conductive Each hub has a 1” hollow shaft with ¼” keyway and through bolt to slip it right over the 1” shaft of the hydraulic root cutter and lock it in place These hubs or arbors are essential for attaching your root saw blades to the rotating shaft of the hydraulic root cutter