Description:
This set is generic Eureka and not the original Manufacturer.
See Olympus burr 75mm OEM for original
If you can't get the grind any finer, then you need to replace the blades.
Your new blades are sharper and will deliver a finer grind, so you will have to adjust your grinder after you replace the blades.
Size: 37.5mm x 75mm 9mm thick
Type: 3-hole, right-hand rotation
Original code: MAC74 CP
Kit includes: 2 x Flat blades
Note: It is common for grinder blades to have "spots of oxidization from exposure to air; this does not mean that the burrs are used or inferior in quality in any way.