1" x 1" Cells (squares) MILL FINISH Aluminum Egg Crate, 1" Thick.
Stocked in 2'x2' size (actual size: 23-3/4" x 23-3/4")
Stocked in 2'x4' size (actual size: 23-3/4" x 47-3/4")
Works great as a laser bed honeycomb replacement.
Aluminum is .96 mm thick (almost 1 mil)