Standard unassembled 10-frame raised-panel style with about 1/8” recess on the one side and 3/8” on the other side. Corners are tenoned and plywood is 1/4” luann with the standard cutout in the center for a bee escape.
Raised Panel Inner Cover, Unassembled, Commercial 10-Frame
$11.11
Standard unassembled 10-frame raised-panel style inner cover. Tenoned corners with plywood centers.