I run into these accidentally while trying to find easy solution to make used shells. Its highly detailed add on. Its brass, comes with used shells and full. Didnt had chance to paint them yet, but by the look of them, they look really realistic and good crafted.

Nice addition to your King Tiger (Konigs Tiger) .... If building the Tamiya Tiger II with interior ammunition racks, you might want to consider adding support to these if you plan on a full rack of ammo... I enjoyed the extra touch these bring to the finished model..

love the detail just add a little paint and add to my loaders in my 88mm German flak gun.