Size Guide

Fit

Ring and watch fit charts, plus Metal and Studio work-area limits.

Metal

Field ~150 × 150 mm

Flat metal within the galvo field. Rotary for rings / pen barrels — cylinders don’t use the full flat area the same way.

Studio

Bed ~700 × 350 mm

Flat cut + engrave only. No rotary on this bed. Larger art may need tiling or a B2B quote.

Bare-metal jewelry and tools are Fiber only. CO₂ is not sold as equal permanence on bare metal.

US	EU	Ø	Circ.
6	51–52	16.5 mm	51.9 mm
7	54–55	17.3 mm	54.4 mm
8	57	18.1 mm	57 mm
9	59–60	18.9 mm	59.5 mm
10	62–63	19.8 mm	62.1 mm
11	65	20.6 mm	64.6 mm
12	67–68	21.4 mm	67.2 mm

Printable check

Print at 100% scale (no ‘fit to page’). Confirm the 50 mm reference line with a ruler.

50 mm

Measure ring size at the end of the day when fingers are warmest.
If between sizes, choose the larger size for comfort bands.
EU sizes below are circumference (mm) — the usual NL/EU jeweler scale.
Watch case size is diameter across the face, not strap length.
Engraving does not change fit — size for wear first, mark second.
Blank (unengraved) rings: contact Support within 14 days for size exchange if unworn.