6Pieces Ring Core Blank for Inlay Ring Jewelry Making Polished Comfort Grooved | eBay
Black ceramic inlay ring core with 8 facets – Ringsupplies.com
Ring Core Blank Ceramic (Black) Double Channel for Inlay – Opal Ring Supply
6mm Titanium Ring Core Blank Center Channel for Inlay Custom Jewelry – Opal & Findings
Cobalt Chrome Ring Blank for Inlay | eBay
UNICRAFTALE 3 Sets 3 Sizes Grooved Finger Ring Settings 316 Stainless Steel Detachable Ring Core Blank for Inlay Ring Jewelry Making Polished Comfort Grooved Finger Ring
Titanium Mountains Inlay Ring Blank - Etsy
Tungsten Ring Blank | Patrick Adair Supplies
8mm Wide Hammered Tungsten Ring Blank with 4mm channel for ring inlays | eBay
Titanium Ring Blank - Ring Turning for Jewelry Inlays – The Opal Dealer
Customize 8MM Polished Gold Tungsten Carbide Ring Core Blank for Inlay Men Women Making Jewelry Special Wedding Band for Men|Wedding Bands| - AliExpress
Amazon.com: Tungsten Ring Blank (10)
Ring Core Blank for Inlay Jewelry Making (8mm Stainless Steel, 10.5)
Tungsten Ring Blank - 8mm 6mm Band | DreamWood Rings – DreamWood Rings Supplies
Ring MC S/S Inlay - Thunderbird Supply Company - Jewelry Making Supplies