Shackle Necklaces Rachel Nathan Design Rachel Nathan Design The Classics Rachel Nathan Rhinestone Curb Chain Bracelet Urban Outfitters PEARL CURB Rachel Nathan Thick Curb Chain Necklace Shapes Studio. Polished and sealed curb faceted curb 3. 0mm chain bracelet. This stunning statement can be worn solo or stacked with bracelets from across the Rachel Nathan collection. Polished & Sealed Brass Link: 3. 0mm thick, 13. 8mm width, 10. 1mm height