HNT Carbide 5/16" x 2.5" Boring Bar, uncoated

HNThickness Carbide 5/16" x 2.5" Boring Bar, uncoated.310 X 1 X 2.5 OALength Boring Bar, 1 Straight Polishes Flute,  5/16 DIA SHANK,  Non-Coolant Thicknesshru