No need to lament the virtues of something so simple. Simple is so often just right. Same size as the originals, just hopped up with a trio of whichever motif you pick spaced evenly around the circumference.
All piece on this page have the same aperture.
Works with #10 Ball & Pequeño a Mano chains, also these ones fit on the #1 Curb chain (the ABC Regulars are too fat for the #1 CC).
Sterling silver. Made by hand in our foundry in Los Angeles.