Model Expo - 1.54 x 3/64" (39 x 1mm) Sq. Grating 60 pcs

Model Shipways Grating Boxwood 1-9/16 x 9/128"x39 x 1.25mm 60 pack

Gratings over hatches let air into the ship. Also used over the galley stove to let steam and smoke out.