No. With the guard fitted, the slab is 86.59 mm wide on the outside, and the regular case is 81 mm wide inside. For that, there is the PSA Slab Case for PSA Slab + Guard, 86.8 x 12 x 142 mm inside.

For the PSA slab in its standard size. They are not made for slabs from other grading services.

8 mm all round. The acrylic is transparent and 96% UV resistant.