Inside size of the mold is 40.6mm across & 2.98mm deep. This is basically the same size as any normal 1oz Silver Round bullion Coin 1 9/16" x 7/32"
Machined graphite ingot mold. This Mold is great for making your own 1oz silver rounds. The weight of each bar depends on what metal your working with and how full you fill the cavity. Full to the top will give you a apx 1 Troy ounce Silver and 2 Troy ounce Gold Bar. Silver shown in the pic is not included.