Description High Quality Drill Bits ( High Speed Steel) 25PCS (1.0MM TO 13.0MM) KING TOYO HSS DRILL BIT SET Each Stepping by 0.5mm Bits sizes: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, & 10mm Made In Taiwan