Suitable for use on wood, metal and plastic. Metric drill set 1mm – 13mm. High quality HSS drills. Set Includes: 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, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm & 13mm. Supplied in a metal storage tin for easy storage and transportation.