Features Resources CAD Files Brush Length 4 1/2"Overall Length 7 1/2"Bristle Diameters .012"Bristles made of High Carbon SteelDouble Stem and Double Spiral1/4" NPT ConnectionOffered in both inch and metric diameters3ft. Extension Rods Sold Separately View in Catalog IGS SAT SLDPRT STEP X_T PDF 3D