FLEX-HONE TOOL BC4M18 BC4M18 FLEX-HONE, 0.157" (4mm) bore, 6" OAL, 180 Grit,
$21.39
Flexible Cylinder Hone, Compatible Bore Diameter - Maximum 4 mm, Compatible Firearm Caliber Not Applicable, Stem Diameter 0.06 in, Abrasive Length 3/4 in, Overall Length 6 in, Abrasive Material Silicon Carbide, Grit 180, Compatible Tool Type CNC...