Mahlkonig K30 burrs or knives 64x38x8.4mm are a compatible aftermarket steel burr set for the new E65 S, the K30 ES, K30 Twin, K30 Vario and Air models.
Also compatible with Astoria CMA K30.
External ø 65 mm – internal ø 38 mm, thickness 8.4 mm with 2 mounting holes, left-hand rotation.
Because of the strong material, the burr set is recommended to be used for 800-1000 pounds of coffee, BUT NO MORE THAN 1600.