Up for sale is a nice used Flex-Hone 4-1/2" Engine Cylinder Hone. The Hone abrasive surface area is aprox 6" long.
Flex Hone 3-1/4" Engine Cylinder Surfacing Tool Hone
O.H.C. Cam Journal Bore Flex-Hone (1-1/4" Hone Size, 180 Grit)
Flex-Hone Cylinder Hone, 5-1/2" Bore, 120 Grit Silicon Carbide, 17-1/2" Length
FLEX-HONE Dingleberry for 5/16 .315 in./8.0mm Valves Guides 120-grit
FLEX-HONE BC 7818 BC 7/8" (22 MM) 180 SC
Brush Research BC15818 Flex-Hone 1-5/8 (41Mm) 180Sc