Amway Queen Cook Inner Pot Brand new, unused. Outer diameter: 23cm Inner diameter: 21cm Step at 18.5cm inner diameter, designed to fit. Height: 5.5cm Capacity height: 5cm It fits under the stew pan's steaming inner pot, and can also be placed on top of the sauce pan for two-tiered simultaneous heating. Usage depends on your ingenuity. Please check compatibility with your other Amway pots. Please understand that there are some minor scratches due to home storage before purchasing.