GBD600400AO FLEX-HONE, 6.000 (152mm) bore, 17.5 OAL, 400 Grit, Aluminum Oxide (AO)
42 in, Abrasive Length 6 1/4 in, Overall Length 17 1/2 in, Abrasive Material Aluminum Oxide, Grit 400, Operating Speed - Maximum 600 RPM, Primary Material Application Stainless Steel, Compatible Bore Diameter - Minimum 5 1/2 in, End Marking Color Yellow, Stem Marking Color Black.Flexible Cylinder Hone, Compatible Bore Diameter - Maximum 6 in, Compatible Firearm Caliber Not Applicable, Stem Diameter 0.