A general purpose impact probe, suitable for the majority of hardness measurements with a wide measuring range.
A smaller indentation and covers a slightly wider hardness range compared to Type D, but requires a better surface finish.
Used in confined spaces like holes, cylinders, or inside of assembled machines.
Used in heavy coarse grained castings and forgings.
A narrow profile impact probe for use in confined spaces like the base of grooves, drill holes, and gears.
Pictured from left to right:
C, D, DC, DL & G