This part of ISO10071 specifies interchangeability dimensions and tolerances, in millimetres, for ball-lock punches for light duty.
It is applicable to ball-lock punches with shank diameter sizes from 6mm up to and including 32mm, in round, square, rectangular and oblong shapes, for punching holes in steel sheets or other materials, the thickness of which is less than 3mm.
This part of ISO10071 also gives examples related to materials and hardness, and specifies the designation of ball-lock punches for light duty.