US PRO 99 Piece HSS Metric Drill Bits Set 1.5 - 10mm 2644
HSS 4241 for strength and durability. 1.5 mm HSS Drills x 16. 2 mm HSS Drills x 16. 2.5 mm HSS Drills x 15. 3 mm HSS Drills x 10. 3.2 mm HSS Drills x 10. 3.5 mm HSS Drills x 8. 4 mm HSS Drills x 8.