It was made by paper body entwisted by paper rope. It was very dangerous with a lot of injures.
Activation by TZ 2 or by electrical fuse V10 el.
Length w/fuze : 122mm
Length w/o fuze : 98mm
Diameter : 50mm
Info thanks to Milan.
The photo below shows my own V10a, issued with a ww2 German ZündschnurAnzünder39 which is incorrect.