【High Pressure Cleaning Nozzle】This sewer jet nozzle is a high pressure drain cleaning nozzle that designed for unclogging and flushing sewer lines, making it an essential tool for maintaining clean and efficient drainage systems. Nozzle hole positions: front 1, rear 6. 【Material】1/2inch Female Thread Pressure Cleaning Jet nozzle is made of stainless steel, this nozzle is rust-resistant and it is built to withstand heavy use and last for years, 【Pressure Washer Accessories】The 1/2 npt sewer jet rotating nozzle allows for a wider spraying area, making it easier to clean hard-to-reach areas. 【Versatile Use】This stainless steel sewer nozzle is not only suitable for residential use but also ideal for municipal sewage systems due to its powerful performance and sturdy construction. 【Wide Applications】The water jet drain cleaner sewer nozzles can be applied in different occasions, for house drainage, clogged toilet, clogged sink, industrial pipe and tube cleaning, general sewer drain cleaning etc. Specification: Material: Stainless Steel Female Thread: 1/2inch Nozzle Head Type: 1 Forward Hole, 6 Backward Holes Size Chart: 5.1cmx4.5cm/2.01inchx1.77inch Package Includes: 1 Piece Sewer Jet Nozzle (As you choose: 50L, or 83L, or 100L) Note: Please allow slightly errors due to manual measurement and different monitors.