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- Brush Research GBD40018 Cylinder Wall Flex Hone
- Features silicone carbide globules which allow the deglazing of cylinders when powered by a drill
- 180 Grit
- 4" cylinder flex hone tool is has a 13-1/2" overall length
- This flex hone tool is used to finish and deglaze block cylinders or liners
- Made in USA