This is a 24" diameter, 7' long roller used for pressing metal nailer plates into prefabricated truss assemblies. It started out as a 14' long roller which we cut into two sections to make (2) 7' long rollers.
Neenah Foundry R-4990-GX trench grates, used, heavy duty, 23" wide X 23-13/16 long. Slightly rectangular grate will only fit in the correct orientation.