Best Seller | FLEX-HONE TOOL BC1218 BC1218 FLEX-HONE, 0.500" (12.7mm) bore, 8" OAL, 180 Grit, Flexible Cylinder Hone, Compatible Bore Diameter - Maximum 1/2 in, Compatible Firearm Caliber Not Applicable, Stem Diameter 0.17 in, Abrasive Length 2 1/2 in, Overall Length 8 in, Abrasive Material Silicon Carbide, Grit 180, Compatible Tool Type CNC... ... more FLEX-HONE TOOL BC1218 BC1218 FLEX-HONE, 0.500" (12.7mm) bore, 8" OAL, 180 Grit, Flexible Cylinder Hone, Compatible Bore Diameter - Maximum 1/2 in, Compatible Firearm Caliber Not Applicable, Stem Diameter 0.17 in, Abrasive Length 2 1/2 in, Overall Length 8 in, Abrasive Material Silicon Carbide, Grit 180, Compatible Tool Type CNC... | | $18.15 go to store |