Big cca 24x37 cm Panzer barrel cleaning Swab ? Help needed

[Aries22]

Hello,
need help with this item. There are not so much visible marks like SA and 42...but I can not determined it so much...Thanks all for help

[JanC]

Maybe for the 21cm mörser 18

[Aries22]

Maybe...I m not sure if it is even german....

[me6_130]

It is not a German army model I know. SA would stand for Suomi Armeija or Finnish Army.

Carles