Tungsten Carbide
- Extremely scratch-resistant
- Will not bend
- Permanently polished
- Dark grey colour
- Commonly used as machining tools
- Can be removed with vice grips
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Cobalt
- Hypoallergenic and biocompatible
- Heavier than titanium, lighter than tungsten
- White, platinum-like colour
- Scratch resistant and shatterproof
- Commonly used in the medical field
- Can be removed with a diamond ring cutter
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Titanium
- Lightweight
- Aircraft grade
- Shatterproof
- Economical
- Dark grey colour
- Hypoallergenic
- Community used in aerospace
- Can be removed with a diamond ring cutter
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Moku-Ti
- Lightweight
- Forged welded grades of titanium
- Shatterproof
- Economical
- Vibrant colours
- Hypoallergenic
- Can be removed with a diamond ring cutter
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Black Diamond Ceramic
- Lightweight
- Extremely scratch resistant
- Colour is permanent and goes all the way through
- Commonly used in aerospace technology
- Can be removed with vice grips
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Damascus Steel
- Two grades of stainless steel fused together
- Heat and acid etched for a unique design
- Dark grey colour with lighter contrast
- Commonly used to make swords and knives
- Can be removed with a diamond ring cutter
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Zirconium
- When oxidized, black surface is as hard as sapphire
- Scratch-resistant
- Hypoallergenic
- Great for two-toned designs
- Unlike black tungsten, black is permanent
- Commonly used for military purposes
- Can be removed with a diamond ring cutter
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