The Titanium 2.5D (2.5mm D-Ring)

The Titanium 2.5D (2.5mm D-Ring)

F (13.9mm)
£60.00
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The Titanium 2.5D (2.5mm D-Ring)
Titanium

The Titanium 2.5D (2.5mm D-Ring)

£60.00
Taxes included. Shipping calculated at checkout.

Exceptionally slim and light, this 2.5mm Grade 2 titanium band uses a rounded D profile for an understated ring that barely announces itself.

Size
Find your ring size
In the box
Ring box
Sizing
Wrong size? Send it back unworn within 30 days and we'll exchange it where we can.
Delivery
Free UK delivery in 1 to 3 working days. Free worldwide on orders over £49.99, 2 to 7 days. Import fees may apply.
Returns
Return within 14 days of delivery. Returns policy
Guarantee
One year against manufacturing faults.

About this piece

The lightest-looking profile

A 2.5mm titanium D shape ring makes the most of titanium’s low weight by keeping the band deliberately slim. The narrow width sits lightly on the hand and leaves room alongside other rings, while the curved exterior avoids making such a fine band look sharp or severe.

Minimal width, gentle curve

The D profile forms a smooth dome across the outside, giving the 2.5mm band a softer outline as it passes over the knuckle. Grade 2 titanium keeps the material story equally restrained: technical grey, corrosion-resistant and hypoallergenic, without the concentrated weight of tungsten carbide. Explore Titanium rings or other D Shape rings. Check the ring size guide before choosing your size.

Specifications

Material High-Grade Titanium
Profile Precision D-Shape (Curved Exterior)
Width 2.5mm
Finish Corrosion Resistant & Hypoallergenic
Maker's Mark "F", engraved inside the band

Questions

How do I find my ring size?

Use Project Atomic’s ring size guide before ordering. These Grade 2 titanium rings use a comfort-fit interior, but width still affects how a band feels, so measure rather than assuming the same fit across every profile. If you are between sizes, use the guidance on the size page before choosing.

What if the ring doesn't fit?

If the size is wrong, an unworn ring can be exchanged within 30 days. Start with the ring size guide and pay attention to the width you are buying, particularly when moving from a narrow 2.5mm band to a broader 6mm or 8mm ring.

Is a titanium ring light to wear?

Yes. Low weight is one of the most noticeable differences between titanium and tungsten carbide. Grade 2 titanium gives the ring a light feel on the finger while retaining the clean, technical character of a real engineering metal. It is a useful choice if you like the material story without the substantial heft of tungsten.

Can a titanium ring be resized?

Project Atomic doesn’t offer resizing, so choose the size carefully before ordering. Use the ring size guide first. If the fit is wrong, send the ring back unworn within 30 days and it will be exchanged for another size where possible.

What is the F engraved inside the band?

The “F” engraved inside the band is Project Atomic’s maker’s mark. It stands for Fahrenheit, referencing the high temperatures associated with producing and working with the materials behind the range. Every Project Atomic ring carries the mark inside the band.

How does a 2.5mm D shape look on the finger?

The 2.5mm width is deliberately fine, so it occupies relatively little space across the finger. Its curved exterior gives that narrow band a rounded outline rather than a flat strip-like appearance. The combination suits someone who wants the least visually dominant titanium option while still preferring the softer geometry of a D-shaped outer face.

Is 2.5mm suitable for wearing alongside another ring?

Its narrow width makes it the easiest titanium size in this range to place alongside another ring without taking up much additional space. Exact fit and proportions depend on the rings being combined, but the 2.5mm band is designed around an understated footprint. The domed exterior also distinguishes it clearly from the equally slim flat-court version.

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