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. 240 grit stones are 1 1/8 inch long on 10000 & 10500; 10400 stones are 1 inch. Flexible driver pro
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. 240 grit stones are 1 1/8 inch long on 10000 & 10500; 10400 stones are 1 inch. Flexible driver pro