>> Rubbing Blocks & Grinding Stones for Concrete/Masonry For use on: Hand Tool More Views Product Description Rubbing Blocks-long life and good performance for removing mold and form marks, cleaning castings and smoothing concrete surfaces-comes with or without handle Grinding Stones-for removal and/or grinding concrete imperfections, uneven joints or smoothing exposed aggregate Available in : Coarse (fast removal), Medium (finish grinding) or Fine (smoothing surfaces) Size Bond Specification Part Number Catalog Number 6 In. x 3 In. x 1 In. ABRBH-HR252 ABRBH-HR252 35064 8 In. x 3-1/2 In. x 1-1/2 In. ABRBH-HR250 ABRBH-HR250 35065 8 In. x 2 In. x 2 In. ABRBF-HR242 ABRBF-HR242 35062 2 In. x 2 In. x 4 In. ABCH-10 ABCH-10 35067 2 In. x 2 In. x 4 In. ABCH-24 ABCH-24 35063 2 In. x 2 In. x 4 In. ABCH-80 ABCH-80 35066 * Required Fields