Coplanar counterrotating disk (CRD) mass fraction, M_CRD/M_Disk, as a function of different measurements of the counterrotating stellar disk extension and mass distribution for the sample of 26 significant CRD galaxies. Top and middle panels: Radius containing 50% and 95% of the counterrotating stellar disk mass normalized by the optical radius of the galaxy, respectively. Bottom panel: Stellar concentration of the coplanar counterrotating disk component. All data points are color coded by the total stellar disk mass. We observed that while most CRDs are compact, with the majority having $R_{50}^{\mathrm{CRD}}/R_{\mathrm{opt}}<0.25$, there are a few extended cases. Overall, we find that our sample of counter rotating galaxies show a variety of structural properties.