INCH 19PC HSS DRILL SET SIZE:3/64, 1/16, 5/64, 3/32,7/64, 9/64, 5/32, 11/64,3/16, 7/32, 15/64, 1/4,17/64, 19/64, 5/16 ,21/64,11/32, 3/8, 25/64BLACK FINISHED AND ROLLED FORGED : 12-009-BR03WHITE FINISHED AND FULLY GROUND : 12-009-WF03FULLY GROUND AND TIN COATED : 12-009-GF03COBALT 5% (M35) AND FULLY GROUND : 12-009-LC03 INCH 19PC HSS DRILL SET