Brush Research GB31212 Flex-Hone® 3-1/2" Silicone Carbide Abrasive

The GB Series Flex-Hone tools are designed for bore diameters from 3-1/4" thru 4-5/8" and are 13 -1/2" OAL. These standard duty Flex-Hones tools are commonly used to finish and deglaze block cylinders or liners and represent a tremendous value on a cost per cylinder basis.

• 3-1/2" (89mm)
• Silicone Carbide
• 120 Grit