It is suitable for completely blocked and hard silted sewers. The front jet of the multi angle nozzle and the drill bit are integrated at the same time. The bit tip penetrates deeply into the plug, which is flushed away by the water flow. The nozzle is always operating in the middle of the pipe. The nozzle can also be used for pipes with staggered joints. The nozzle can be replaced, and the nozzle is made of stainless steel. The surface is quenched and has strong wear resistance.