Carbide Toothed Flat Root Saw Blade Category_Default Category Products Sewer Rod and Rodding Equipment Sewer Rod and Tools The female end coupling that Category_Default Category Products Hydro Jetting Tools Sewer Jetting Nozzle Extensions The female end coupling that connects to your hose is a 6000 psi rated heavy duty npt coupling for safety No more tying up the end with a broomstick and duct tape You see we use our super thick 3 16” thick alloy steel heat treated laser cut saw blades and attach sharp carbide teeth to every 5th tooth on the front cutting edge and every 10th tooth to the rear back edge Of course the steel teeth are made of the best quality carbon steel and heat treated to just the right amount so they are hard but won’t break