GB458120AO FLEX-HONE, 4.625" (117mm) bore, 13.5" OAL, 120 Grit, Aluminum Oxide (AO), Flex-Hone Tool, Mfr#: GB458120AO

Flexible Cylinder Hone, Compatible Bore Diameter – Maximum 4 5/8 in, Compatible Firearm Caliber Not Applicable, Stem Diameter 0.31 in, Abrasive Length 4 in, Overall Length 13 1/2 in, Abrasive Material Aluminum Oxide, Grit 120, Operating Speed – Maximum 600 RPM, Primary Material Application Stainless Steel, Compatible Bore Diameter – Minimum 4 1/8 in, End Marking Color Silver, Stem Marking Color Black