Anvil 2 Sided Jewelers Marking Stamping Tool This is a new brass marking anvil This brass anvil secures ring bands in a rounded cut out that prevents flat spotting on the shank when quality marking or hall mark stamping This is dual sided one side is for marking men's rings and the other side is for marking women's rings It measures approximately 2 1/2" x 1 1/4" x 3/4" (62 x 31 x 19 mm)