Specialty Large Abrasive Files Tradesmen’s Utility Stones These silicon carbide stones can be used to quickly sharpen trimming knives used on leather and rubber, and as abrasive files in many industries . The JT920 offers the same stone with a sturdy wooden handle .   Catalog 5 Pc . 10 Pc . Size Spec . Grit Order No . Price Ea . Price Ea . Price Ea . 14 - 3/4” Overall JT920    Tradesmen’s Stone Silicon Carbide NOR87670 $ 12 . 80 $ 12 . 16 $ 11 . 52 Tradesmen’s Utility Stones Utility File Silicon carbide utility files have a long, wedge shape and four flat sides designed for sharpening coarse edges on cutting implements and edged garden tools . Fast and efficient, they outlast and out - sharpen metal files . The wooden handle makes them easy to use .   Catalog 5 Pc . 10 Pc . Size Spec . Grit Order No . Price Ea . Price Ea . Price Ea . 14” Overall JD2    Utility File    Silicon Carbide NOR87750 $ 15 . 20 $ 14 . 44 $ 13 . 68 Utility File Rubbing Bricks Hand Rubbing Bricks Hand Rubbing Bricks, manufactured with extra coarse silicon carbide abrasive, are available in three types … plain, fluted and fluted with handle . Plain Bricks are the choice of mechanics and foundrymen for dressing grinding wheels and cleaning or scouring castings . Fluted Bricks are used by masons and stone workers for rubbing down concrete and removing mold marks . The diagonal flutes provide sharp edges, a clean shearing action, and carry away debris . Fluted Bricks with Handle make quick work of removing mold marks and rubbing down concrete . The firmly attached handle reduces fatigue and facilitates overhead, wall and floor work .   Catalog 5 Pc . 10 Pc . Size Spec . Grit Order No . Price Ea . Price Ea . Price Ea . 6 x 3 x 1 BFH6    CRYSTOLON Hand Fluted (With   Handle) C24R NOR87800 $ 19 . 77 $ 18 . 78 $ 17 . 79 8 x 3 1/2 x 1 1/2 235    CRYSTOLON Hand Fluted (With Handle) C24R NOR87795 $ 28 . 43 $ 27 . 01 $ 25 . 59 Hand Rubbing Bricks 53