A 15-piece HSS drill bit set in a rugged, fold-up storage case. * HSS steel * Titanium coated * Metric sizes * 2 each of: 1.5, 2, & 2.5mm * 1 each of 3, 3.2, 3.5, 4, 4.5, 5, 6, 8 & 10mm * Rolson type 48704