Flex-Hones® Tool Size Category: 4" (101mm) to 4.9"(118mm)
Engine Cylinder Hones for deglazing engines and refinishing cylinder bore. These hones are made of silicon carbide which is excellent for iron blocks and your typical engine rebuild application. Grits of 120, 180, 240, 320, 400 available. 80 and 600 grits available special order. Commercial version hones have 50% more globules than the standard version hones. The extra globules extends the tool life and reduces the time to refinish the bore. Overall tool length for hones on this page is 13.5"