1725  9*3" Masonry Acid Brush, Tampico bristle  
1726  9*3" Masonry Acid Brush, polyproplylene bristle  
Has 1  1/4" long white tampico fiber bristles set in hardwood block  
One threaded handle hole  
very densely filled to hold large amunts of acid solution  
Used with acid solutions for cleaning mortar from bricks  
Has a hole to any standard tapered broom handle