Overview Reviews Product Description Controlled pressure makes it possible to polish or hone with just one stone grit. Square ends of stones hone to the end in step-cut and blind-end cylinders. 220 grit stones are 1-1/8" long on 10000 & 10500; 400 grit 10400 stones are 1". Flexible driver provides good stability. Lisle Tools Catalog Product Videos Custom Field Harmonization code HTS #8483100099 Manufacturing country US Product Reviews Write a Review Write a Review × Lisle Brake Hone Flex Driver 10590 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *