This Drift Punch by Britool has a range of features such as:
DIN 6450.
Hardness 48-56 HRC for diameters between 2 to 4mm and 50-58 HRC for diameters 5 to 8mm.
One piece for increased levels of strength and a longer life.
Visit the Primetools website for more information on Britool "EXPERT" E418231B Drift Punch - 3mm