zoethecus shelves-z slab

How do tell if a shelf is a z slab? Do they have to be silver? The units I have are black with some type of metal covering. They are not mdf

fjc1z03-19-2010 10:30pm

hamr Details Discussions Posts This discussion Message User 56 posts 03-19-2010 at 11:16pm Copy Comment URL Report Comment Edit Delete It is a Z slab. They had both black and silver. Mine are black also.
fjc1z OP Details Discussions Posts This discussion Message User 2 posts 03-20-2010 at 01:50pm Copy Comment URL Report Comment Edit Delete thank you