edge ground process, wood working drill ... shank, tri-angle shank, quick change hex shank, straight round shankSurface treatment: bright finished, tin-coated, black- ... shank, tri-angle shank, quick change hex shank, straight round shank, SDS-plusSurface treatment: bright finished, tin ... 3/16"); overall length: 43mm to 250mmShank type: straight round shank, quick change hex shankSurface treatment: black ...