Hss Drill Bit Set For Wood， Plastic And AluminumIdeal For DIY， Home And General Building/Engineering UsingContaining Sizes 1.5mm To 10mmContents:16 x 1.5mm16 x 2mm15 x 2.5mm10 x 3mm10 x 3.2mm8 x 3.5mm8 x 4mm3 x 4.5mm3 x 5mm2