Hi Torque Hydraulic Root Cutter Kit for 1" Hose Category_Default Category Products Industrial Vacuum Equipment This is a transition coupler Category_Default Category Products Lateral Hand Rodding Tools B Series Tools and Sets This is a transition coupler to go between your 8” Flat Flange tubes or hose that are used on Vactor Machines and a 8” Bandlock [Square] Female type Connection for Vac All Machines Then by using our fiberglass pole system you can lower the roller grabber to the bottom of the manhole with your nozzle in the right direction and when set in front of the sewer line up just turn on the water to let the nozzle fly Of course like any mechanical item you must maintain it It is a heavy weight with high quality stainless steel internal rollers and a super strong front thrust bearing that lasts and lasts