Magnolia Brush No. 37 line floor brush. Silver flagged-tip plastic. Staple set in clear lacquered half-round hardwood block. Recommended use for sweeping smooth, highly polished floors, varnished wood or smooth concrete. Will sweep finest dust or grit. 30-inches hardwood block and 3-inches trim. Do not use with oil base sweeping compound. No. 99 brace includes with brush.