Alloy stand is designed to fit up to 60mm 90mm diameter crystal balls. The none obtrusive design is meant to accent your crystal ball's appearance, not distract from it. Made of alloy, long lasting durability. The holder is free standing and provides sturdy base. Great for all kinds of collectibles such as: mineral rock, coral, spheres, crystals, stones etc. Can be applied at home, office show room, art class, book store, wedding, trade show display, shop window, museum etc. Specification: Material: Alloy Size Chart: Stand Size(WxH):53x28mm / 2.09x1.10inch Outer Diameter:44mm /1.73inch Inner Diameter:29mm / 1.14inch Package Includes: 1 Piece Crystal Ball Display Stand Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.