ITEM NAME:19x HSS Metric Drill Bit Set Titanium Coated Twist Drills Metal Wood 1-10mm.Material: HSS High Speed Steel. Twist Drill 19. Size: 19PC Specifications: 1mm 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm 6.5mm 7mm 7.5mm 8mm 8.5mm 9mm 9.5mm 10mm Each. Color: Titanium Plating.