The Tetra Flat Back Necklace has the feel of the three-ring charms but a flat back to give a more stationary front-facing style. SKU #P377 flat back ring charm 10mm x 6 mm 2mm wide pyramid studs 0.12 CTW 1.5mm round cable chain adjustable from 18-20" 7mm lobster clasp 14K White, Yellow or Rose Gold