Hogue 22/45 grips are from the same quality you have come to know and love. Known for their rubber grips, they have special textures to allow for better grip control. 82080 is the wrap around style with finger grooves. 82090 only works with removable panels and has a checkered grip with diamonds. They will only work with Ruger 22/45 RP (removable panel).
Big Book Catalog, Issue:68, Page:239
SPECS: Rubber grip wraparound style with a cobblestone texture. Will only work with Ruger 22/45 RP (removable panel), Rubber grip panels, checkering with diamonds