Oblique Center
From Speedsolving.com Wiki
Oblique center pieces are the center pieces on 6x6x6 cubes and larger that have chirality and lie in distinct orbits of 24. Each oblique orbit has a symmetrically corresponding orbit.
Oblique center pieces are the center pieces on 6x6x6 cubes and larger that have chirality and lie in distinct orbits of 24. Each oblique orbit has a symmetrically corresponding orbit.