Narrow 4 mm titanium ring blanks ZBL-1201B – Ringsupplies.com
Amazon.com: FASHEWELRY 4Pcs/Box Titanium Steel Ring Core Blank 8mm Wide Grooved Finger Ring for Inlay Ring Jewelry Making (4 Colors) : Arts, Crafts & Sewing
Titanium Ring Blanks 4mm-6mm-8mm | DreamWood Rings Supplies
Titanium Offset Inlay Channel | Ring Making Supplies | Ring Blank – Patrick Adair Supplies
Black Titanium Customizable ring cores/ blanks – Ringsupplies.com
Ring Blanks | Titanium Ring Blanks | Ring Blanks for Inlay – Patrick Adair Supplies
Titanium Ring Blank | Ring Blanks | Ring Blanks for Inlay – Patrick Adair Supplies