【BUTTON NOSE AND ROTATING NOZZLE】Button Nose 4.0 Orifice.1 front jet at 0°that clears blockages.3 rear jets at 33° flush out debris loosened by the front jet.1/4" Female Fitting - Fits 1/4" NPT male sewer jet hose fittings.Rotating Sewer Jetter Nozzle 3 backward rotating spray blasts into clogged pipe and moves the nozzle through pipe.