Suttner ST-49.2 Rotating Sewer Cleaning Nozzles. 1/2" F. 5 rear jets. 3 side jets. Outside Diameter 38 mm steel. Length 84mm rotating body. Excellent cleaning by rotating nozzle jets. Exchangeable inserts included. Excellent pulling power by min. 4 return beams specially placed. Pressure max. 350 bar.