The inscription means in the original:

"Gärdar och Jorund låta resa dessa stenar
till minne av sina systersöner Ärmund och Ingemund."

The English equivalent is:

Gärdar and Jorund erected these stones
to the memory of their nephews Ärmund and Ingemund.

Mass of the model: 14 x 7 x 2 inches

The model consists of artificial stone. This is so made that he has much resemblance to granite. The runic inscriptions are deepened and faithfully colored.