This offensive grenade was similar in appearance as the DHG17.
The same fuze mechanism was used and it also had a cylindrical body.
Different from the
DHG17 is that the body was made of thin sheet steel.

Total weight: ...gram.
Fuze delay: 2.5-3seconds.
Filling: 115gram trotyl.
Lethal within 5 to 8meter.

18 grenades were packed together in a wooden crate.

Photos W. Schumann.

Free for you to download: the swiss manuals in which these are described.