They are profesional made

The steel and alu cases are made of 1.5mm thick sheet metal.
They are powder coated in black (RAL 9005 matt-fnished or satin-finished), or RAL 9006 and a special color that looks like silver.

The cascade is made of 1,5mm steel and the bottom is 2,0mm.

Any question regarding sales, by pm guys, please.