across:
approx. 2 11/16in x 2 7/8in (6.82cm x 7.3cm)
Primary Material:
Iron
thickness:
approx. 1/8in (0.31cm)
Age:
Unknown
center hole:
approx. 1/8in x 1in (0.31cm x 2.54cm)
Region of Origin:
Japan
weight:
96g (gross 159g)