Original, 5in, 4in, & 2in Blue Brushes w/ 7in Ext. - Medium - Marine & Pool | B-S-542O-7X-QC-DB light blue The flat brush is better

The flat brush is better for large flat surfaces like hulls

The Yellow Medium Original Brush is built for cleaning curved and contoured surfaces in bathrooms and comes with a 5in extension for added reach

while the Orginal brush has a 1/4in

and rear view mirrors

Original, 5in, 4in, & 2in Blue Brushes w/ 7in Ext. - Medium - Marine & Pool | B-S-542O-7X-QC-DB light blue The flat brush is betterReach marine messes as high as the crow's nest and as low as the brig with this pool and marine brush and 7in extension kit! Each brush features: Our blue medium stiffness nylon bristles A heat treated steel 1 4" quick change shaft compatible with almost all cordless drills A strong polypropylene plastic block for high durability The extension features: Steel construction. 1 4 inch quick change chuck that can be used with any Drillbrush with a quick