Draper 53033 H29MPTS/B Expert 4.2mm HSS Twist Drill for 5 x 0.8 Taps

Expert Quality, a selection of metric-sized high speed straight shank twist drills specifically for drilling holes prior to tapping.
Display packed one drill per card (sizes 4.2-10.2mm) and two drills per card (sizes 1.6-3.3mm).