Long Handle Acid Brush-20" Block by Marshalltown Tools Save Liquid error (product-badge line 32): -Infinity% $8.75 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Bristles made with Tampafil plastic set in high-tensile strength foam plastic block Recommended for use in acid solutions to clean mortar from bricks, and concrete from wood or metal forms and tools Size: 20"