Small Finger Probe 5.6 Test Probe 19 of IEC61032.

IEC61032 Figure 13 – Test probe 19 (small finger probe ∅ 5.6)
•  Finger: metal material
-  Handle: insulating material

NOTE: Please note SMT-1219 is without cable. If you want to test with Low-voltage Test Supply LISUN model is SMT-529CV, you may choose SMT-1819 with cables.

The extension of the handle represents the arm of the child.
The handle is provided with an extension, 464.3 mm long and the probe should be applied with or without this extension, whichever is the more onerous condition.
Both joints shall permit movement in the same plane and the same direction through an angle of 90°.
This probe is intended to simulate access to hazardous parts by children of 36 months or less.

Standar:
IEC 61032 “Protection of persons and equipment by enclosures – Probes for verification”