Carbon steel burrs with an external diameter of 64 mm, internal of 37.8 mm, being 9 mm thick - 3 fixing holes.

Listed as suitable for 

EUREKA ATOM, ZENITH 65 E HS, ZENITH 65 NEO, ZENITH-65-E-HS (202012-)
EUREKA ZENITH 65 A HS , ZENITH 65 M HS, ZENITH 65 T HS, ZENITH-65-A-HS (202011-), ZENITH-65-M-HS (202011-), ZENITH-65-T-HS (202011-)
LAVAZZA ATOM SPECIALTY 65