Vortex is a registered trademark of Chessex Manufacturing. Dice Made in Germany. This stunning looking Gemini dice measure ~30mm tall (they measure almost exactly 29.2mm – 1.14 inches – tall but are offically called 30mm by Chessex)! The pips are etched into the surface and are very nicely painted. The corners are rounded which helps prevent denting playing surfaces…or a wild roll from really hurting someone! Use this dice to impress your gaming buddies, for educational demonstrations, for the seeing impaired, or for whatever your imagination can come up with.