Nozzle Extension Straight Style Size:3 4" In sizes to 18” they STSS 10 In sizes to 18” they are 1” undersized and they in the larger sizes from 20” to 24” they are 2” undersized These are your heavy duty Sewer Porcupines that are mainly used as a finishing tool after the line has already been cleaned Our name is rolled into the part and then zinc dipped for corrosion protection and long life We offer these straight style lightweight tube nozzle extensions for your 3 4” and 1” hose to give the operator a nice rigid extension between the hose and nozzle that will keep the nozzle on the bottom of the pipe but without much weight to really get up the pipe fast