... ) HSS titanium-plated twist drill bits (19pcs): 1, 1.5, 2, 2.5, 3, 3, 3.2, 3.5, 4, 4, 4.5, 5, 5, 5.5 ... , 22mm 5) Titanium-plated hex shank twist drill bits (3pcs): 2, 3, 4mm 6) Cr-V bits (15pcs): 50mm 7) Cr-V ... sockets (10pcs) 9) Drill stoppers (4pcs): 3, 5, 6, 8mm 10) Hex key (1pc): 2.5mm 11) Counter sink (1pc): 12mm 12) Hole ...