Description AttributeValue Set TypeJobber Drill Set Drill Bit TypeTwist Drill Bit Minimum Size1.5mm Maximum Size6.5mm Drilling ApplicationMulti-Material MaterialHSS-TiN Number of Pieces13 Set ContentsHSS Drill Bits High Quality Drill Bits ( High Speed Steel) 13PCS (1.5MM TO 6.5MM) KING TOYO HSS DRILL BIT SET Each Stepping by 0.5mm 3.2mm, 4.8mm Bits sizes:1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, & 6.5mm Made In Taiwan