Sold as a pair, these grinder burrs are suitable for:
MACAP for Grinder-Dispenser (MACAP) MXK - MXKA - MXKT
SPAZIALE for Grinder-Dispenser (SPAZIALE) ASTRO8/CA
Specifications are: External diameter 63/40 mm. Internal diameter 33/13 mm. Thickness 23 mm 3 mounting holes.