GB418600AO FLEX-HONE, 4.125" (105mm) bore, 13.5" OAL, 600 Grit, Aluminum Oxide (AO)

Flexible Cylinder Hone, Compatible Bore Diameter – Maximum 4 1/8 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 600, Operating Speed – Maximum 600 RPM, Primary Material Application Stainless Steel, Compatible Bore Diameter – Minimum 3 3/4 in, End Marking Color Pink, Stem Marking Color Black