Flat knife grinding disc grinds finely and evenly. The production process and appearance design are suitable for home and commercial dual-use type. 1L large-capacity bean storage. Overload protection device to prevent excessive current from damaging the motor; 2 spare fuses are attached to the base. 1xElectric Coffee Bean Grinder. Cutter diameter60mm (flat knife). If item is defective after 3 months, you can still send it back to us.