GB45820AO FLEX-HONE, 4.625 (117mm) bore, 13.5 OAL, 20 Grit, Aluminum Oxide (AO)
31 in, Abrasive Length 4 in, Overall Length 13 1/2 in, Abrasive Material Aluminum Oxide, Grit 20, Operating Speed - Maximum 600 RPM, Primary Material Application Stainless Steel, Compatible Bore Diameter - Minimum 4 1/8 in, End Marking Color Brown, Stem Marking Color Black.