Up for sale is a nice used Flex-Hone 3" Engine Cylinder Hone.
Flex Hone 3-1/4" Engine Cylinder Surfacing Tool Hone
JEGS 81380 Engine Cylinder Flex-Hone [3 3/4 in. to 4 1/8 in. Diameter]
Brush Research BC3418 FLEX-HONE 3/4" (19mm) Cylinder Hone w/ 180 Grit
Brush GB314600 Flex-Hone 3-1/4" 600 Grit Silicon Carbide for V8 I6 Engines
3 " 76MM Engine Cylinder Flex-Hone Ball Hone 240 grit Brush Research BC30024
Brush Research 3 1/4" (83mm) Flex-Hone Cylinder Hone Tool 240 Grit