Flat core

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Flat Tungsten Comfort ring cores 8mm. 10mm

Tungsten flat comfort ring core 8mm, 10mm

Stainless Damascus flat ring cores

Stainless Damascus flat ring core

.925 Sterling Silver flat comfort ring cores

.925 Sterling Silver flat comfort ring core

Gold plated tungsten Flat Comfort ring cores

Gold plated tungsten flat comfort ring core

Rose gold plated Tungsten flat comfort ring cores

Rose gold plated Tungsten flat comfort ring core

Flat Tungsten Comfort ring cores 4mm, 6mm

Tungsten flat comfort ring core 4mm, 6mm

Titanium Damascus flat comfort ring cores

Titanium Damascus flat comfort ring core

Rosewood Wood Flat ring core - ringsupplies.com

Rosewood Wood flat ring core

Box elder wood ring cores

Box elder wood ring core

~~$8.95~~ $7.50

Whiskey barrel oak wood flat ring core

Whiskey barrel oak Wood flat ring core

Brass Flat comfort ring cores

Brass flat comfort ring core

Black Ebony Wood flat ring core - ringsupplies.com

Black Ebony Wood flat ring core

Flat Black plated Tungsten polished edge outside or inside ring core

Flat Black plated Tungsten polished edge outside or inside ring core

~~$12.95~~ $9.95

Titanium Damascus/Black zirconium flat 6 mm, 8 mm ring core

Titanium Damascus / Black zirconium flat 6 mm, 8 mm ring core

Flat Tungsten polished edge outside or inside ring core

Flat Tungsten polished edge outside or inside ring core

~~$12.95~~ $9.95

Flat Tungsten edge outside or inside ring core

Flat Tungsten edge outside or inside ring core

~~$12.95~~ $9.95

Superconductor flat ring cores, Small and Large filaments - ringsupplies.com

Superconductor in small and large filaments flat ring core

Mokume Gane flat ring core

Mokume Gane flat ring core