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| Material | Hardened steel |
| Outer Diameter | 64 mm |
| Inner Diameter | 37 mm |
| Thickness | 8.6 mm |
| Mounting Holes | 3 |
| Color | Silver, Gray |
Quality Espresso Hardened Steel Grinder Burr Set A stamped OEM burr set machined from hardened steel for long-lasting sharpness and consistent grind particle size. SPECIFICATIONS Outside diameter: 64 mm; inside diameter: 37 mm; thickness: 8.6 mm Three mounting holes; Material: hardened steel COMPATIBILITY Fits: Quality Espresso Q9 and Azkoyen M02 grinders INSTALLATION A moderate DIY job, expect to re-dial your grind after installation. PRO TIPS See Espresso Parts' guide on maintaining your grinder burrs for when to replace them and how to change them out.
The catalog often lists the same model at several merchants — worth a price check before you buy.