Symbol 5729 from IEC 60417 - Title/Meaning: Shockwave head, rotational movement Function/description: To identify the control or the indicator to rotate the shockwave head about an axis that is transverse to its longitudinal axis.
Additional information: 
To represent a rotation in one direction only, omit the other arrow
Published in: 3C/1626/RVC,Amendment 1, 2000,3C/422/FDIS,62A/231/CDV
Own work using: iso.org/obp/graphics/grs/086b5a08-4e7d-4f4b-8222-d0ffbb245995 200.png
Vectorization:  Mrmw