Are you honing a cylinder block? GBD Flex-Hone tools from BRM easily solve your deburring and surface finishing problems. These flexible honing tools from Brush Research offer a soft cutting action to produce a superior surface finish for increased performance. Silicon carbide globules are attached to a high-density nylon filament to create a unique construction that allows the abrasive globules to float, making these Flex-Hone tools self-centering and self-aligning to your cylinder bores. BRM has a variety of sizes and grits available to match your needs. Remove peaks and imperfections in your cylinder walls with American-made GBD Flex-Hone tools from BRM.