Description
An adjustable arm ring for the upper arm. One continuous curve with no clasp and no hinge: you put it on through the gap and ease it wider or tighter until it sits where you want it. That gap is the whole adjustment — nothing to unclip, and nothing sized at checkout.
Why the opening is the point
It measures 90 mm across and 80 mm tall. That is upper-arm sizing: markedly larger than a piece made to sit at the wrist.
The ends
Both ends swell out of the band and taper to a rounded tip, so the opening reads as a deliberate part of the design rather than a cut. Polished smooth all the way round, in a gold-tone or a silver-tone finish.
Specifications
- Worn — the upper arm
- Span — 90 × 80 mm
- Band — 2 mm across
- Weight — 16 g
- Material — zinc alloy
- Finish — polished; gold-tone or silver-tone
- Adjustment — open ends; ease the gap wider or tighter
- Sold — individually
Where these numbers come from
These figures are hand-measured, and hand measurement carries a caveat we are passing on rather than tidying up: “the above data are all hand-measured; small errors are unavoidable and normal.” So treat 90 × 80 mm and 16 g as close rather than exact. We have not measured one ourselves yet — when stock is in our hands we will put a caliper on it and publish our own figures here, whatever they turn out to be.
If you are between sizes, ask before you order and we will measure the opening on the one we have.
Two things we still will not claim
The metal is zinc alloy, and the colour is a plating. What the plating is made of is not stated anywhere we can check, and we are not going to guess. If you have a nickel sensitivity, ask before you order and we will get the composition in writing first.
A finish like this is often described as “eco-friendly”. We are not using that word. Nothing we have lets us check it, and it is not a claim we would want you to rely on. What we can tell you is what it is made of, above.





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