training Yugo hand grenades

[tube8]

I have got this hand grenades.

They should come from Yugo.
I do not know this model.

Do you know something about them ??

 

[al'saad]

yellow fuse is used in training grenades in yugoslav army, but body of the training grenade was as same as at explosive grenades except that training grenades bodies waere filled with plastic with hole aprox 20mm in diameter drilled from the base to the top.

how did u get these grenades?