Arc reactor cuff link! Order two for a set. I recommend ordering materials with high detail for this product. The diameter of the arc reactor is roughly .6", and the diameter of the retainer portion at the base is about 7/16"

This Tetris pendant is 1 inch wide across the bottom. It's also got a 1/8 inch diameter hole for a necklace. I'd recommend this pendant over my other Tetris pendant if you prefer smaller jewelry in general.

Tetris pendant, large. Measures 1.5 inches wide at the base with 1/8 inch diameter hole for a necklace.

Tetris pendant! Attractive beveled edges with hearts. 1/8-inch diameter hole for attaching to a chain. Pendent is 1.5 inches wide by 1 inch tall. This pendant can feel a little heavy compared to other jewelry - please see my Tetris Pendant - 1 inch for a smaller version.