Size is as-packaged, or the diameter of loose marbles. ("D" is the diameter of round items other than marbles.)
: 7/8 x 7/8"
Transparent clear acrylic dimple block with 1/2" dimple to hold a sphere, egg or marble. Beveled edges and polished throughout. A classier alternative to simpler rings. Suitable for displaying marbles 3/4" in diameter or greater.