Haerens Krudt Patroneret i Laboratorievaerks help in id

I found a round and i need help in identification.

Could you post some dimensions please.

It is a Tear gas cartridge for the Danish Revolver M. 1865/97

http://www.vaabenhistoriskselskab.dk/arma-dania/_AD_patroner_view.php?editid1=120