... metal box with high quality 80pc HSS twist drill;1mm-1.5mm-2mm-3mm-4mm-5mm-6mmx10pcs8 ... 10mmx5pcs, HSS4241, titanium coated, roll forged40pc super masorny drill;5mm-6mmx10pcs3mm-4mm-8mm-10mmx5pcs, CS+YG8C, chrome ... coated, milled40pc wood working drill;5mm-6mmx10pcs3mm-4mm-8mm-10mmx5pcs, CS, roll forgedCarton ... in 1x20'FCL:4500sets 160pc combination drill bits set in metal box