Designed and manufactured by Goodwood Scenics Ltd in the UK.
Often seen in POA/SSA scrap wagons and SPA wagons.
Short billet slugs for steel manufacturing
These are resin models.
2mm in diameter and 15mm long
Approx 180 individual pieces.
The photos show 1 pack inside a POA scrap wagon. They aren't filled much more than this in real life due to the heavy weight and potential shifting weight in the wagon.