As per title, SSP Red Speed LU burrs. Size 98mm. They can fit Monolith MAX, Mahlkoenig EK 43 and other grinders using standard size 98mm burrs.
These burrs are great for espressos and pour overs. They have seen about 40 pounds of coffees through them. They are in pristine condition.
Used espresso or coffee stuff you hope to sell or buy.