Norton 87800 Rubbing Brick, 6" x 3" x 1" 4thJuly Heavy-duty design offers 175 lbs

Heavy-duty design offers 175 lbs of tensile strength

chemical and oil resistance

Low oil shutdown engine protection

Shade Trees And Ornamentals: Mix 2 fluid ounces per 3 gallons of water (4 teaspoons per gallon) for a hand sprayer or proportional amounts for a hose-end sprayer following manufacturer’s directions

Norton 87800 Rubbing Brick, 6" x 3" x 1" 4thJuly Heavy-duty design offers 175 lbsHighlights: 6" x 3" x 1" Fluted silicone carbide stone. Crystolon For removing mold and form marks, cleaning castings and rubbing down concrete Contoured handle for extra comfort and working overhead Securely attached comfortable handle Diagonal flutes provide a shearing action and tend to carry away the debris.