US M2 practice grenade box

[MissingSomething]

US Mk. 1A1 Training grenade box

Does anyone have a drawing for the layout of a practice grenade box? Just wondering the size of the box and if it has dividers?

Any help is appreciated.

Sorry made an error in the technical data. Its a Mk. 1A1 Training grenade box.

 

[MissingSomething]

OK all, I need some help. I recently acquired this and would like
help identifying it. It obviously has been repainted at some point.
I think it may be a:

US Mk. 1A1 Training grenade box????

Here are some photos: Outside Dimensions = 27" Long X 14" high X 13"
wide

Rope Handles with latches on ends.

Inside: Dimensions= 11 3/4" wide X 23 3/4" long X 12 1/2" deep.

Marked = Practice Grenades - Handle Carefully

Any help or info is appreciated.
Craig