This 19 Piece HSS Titanium Drill Bit Set provides a range of sizes from 1mm to 10mm. These drill bits are suitable for drilling wood, metal and plastics, and the set is conveniently supplied in a sturdy metal case. The titanium coating adds extra durability to the bit, ensuring longer life and performance. Included sizes: 1 x 1mm, 1 x 1.5mm, 1 x 2mm, 1 x 2.5mm, 1 x 3mm, 1 x 3.5mm, 1 x 4mm, 1 x 4.5mm, 1 x 5mm, 1 x 5.5mm, 1 x 6mm, 1 x 6.5mm, 1 x 7mm, 1 x 7.5mm, 1 x 8mm, 1 x 8.5mm, 1 x 9mm, 1 x 10mm. Comes with a metal case. Features strong HSS (High Speed Steel) construction, suitable for drilling wood, metal & plastics, and titanium coating for longer life. The geometric angled cutting tip ensures optimal performance.