Flexible Cylinder Hone, Compatible Bore Diameter - Maximum 5 mm, Compatible Firearm Caliber Not Applicable, Stem Diameter 0.08 in, Abrasive Length 1 9/16 in, Overall Length 7 7/8 in, Abrasive Material Silicon Carbide, Grit 120, Compatible Tool Type Drill, Drill Press, Operating Speed - Maximum 1, 000 RPM, Primary Material Application Steel, End Marking Color Green, Grade Coarse, Stem Length 6 5/16 in. This item has been restricted from sale in the following state (s): []