Jumbo mini roller cover is ideal for all paints and finishes on very smooth surfaces. Excellent for small hard to reach areas. Fits all jumbo mini frames. For flat eggshell and satin finishes. Size: 6-1/2" Nap: 1/2" Core: 3/4" All latex and oil based paints For flat eggshell and satin finishes Semi-smooth to semi-rough