BC45M600AO FLEX-HONE, 0.177" (4.5mm) bore, 6" OAL, 600 Grit, Aluminum Oxide (AO), Flex-Hone Tool, Mfr#: BC45M600AO

Flexible Cylinder Hone, Compatible Bore Diameter – Maximum 4 1/2 mm, Compatible Firearm Caliber Not Applicable, Stem Diameter 0.06 in, Abrasive Length 3/4 in, Overall Length 6 in, Abrasive Material Aluminum Oxide, Grit 600, Compatible Tool Type Brake Cylinder, Wheel Cylinder, Operating Speed – Maximum 1,200 RPM, Primary Material Application Stainless Steel, Compatible Bore Diameter – Minimum 4 1/2 mm, End Marking Color Pink, Stem Marking Color Black