K9 Crystal Pen Holder with Custom Engraving | Luxury Office Desktop Decoration Teacher Gift
The most refined desk companion available — this K9 optical crystal pen holder with custom engraving transforms a functional desktop essential into a personalised luxury object of rare clarity and brilliance. K9 crystal refracts light with extraordinary precision, scattering soft rainbows across the desk throughout the day and turning the ordinary act of reaching for a pen into a moment of beauty.
The custom engraving option makes this an irreplaceable teacher gift — a name, a date, a message of genuine appreciation — that honours the person behind the profession with something as exceptional as their contribution. A desktop decoration worthy of the desk it sits on.
Premium K9 optical crystal with custom engraving. Please provide engraving details at checkout.
Free shipping on orders over $30. Orders ship within 5–10 business days worldwide.
7-day quality guarantee: if you're not happy with your piece, contact us for a replacement or refund.
Questions about this piece? Contact our team — we're happy to help.
01 Bangle size
Lay your palm flat and measure its widest point with a ruler. Do not include the thumb.
Palm width → bangle diameter
| Palm width | Bangle diameter |
|---|---|
| 62–64 mm | 52–54 mm |
| 66–70 mm | 54–56 mm |
| 70–74 mm | 56–58 mm |
| 74–78 mm | 58–60 mm |
| 78–82 mm | 60–62 mm |
| 82–86 mm | 62–64 mm |
| 86–90 mm | 64–66 mm |
| 90–94 mm | 66–68 mm |
Palm width is not bangle diameter. If you are between sizes, choose the larger size.
02 Bracelet size
Wrap a tape snugly around your wrist bone without squeezing.
Find your recommended bracelet size
| Size | Wrist | Recommended bracelet length |
|---|---|---|
| XS | 13–13.5 cm | 15 cm |
| S | 14–14.5 cm | 16 cm |
| M | 15–15.5 cm | 17 cm |
| L | 16–16.5 cm | 18 cm |
| XL | 17–17.5 cm | 19 cm |
| XXL | 18–18.5 cm | 20 cm |
Use this as a fit guide. Choose the nearest bracelet length actually available on the product.
03 Ring size (US)
Wrap a narrow paper strip snugly around the base of your finger without tightening. Mark the overlap, lay it flat and measure in millimetres. Match this circumference to a US size below.
Approximate US ring size reference
| US size | Inner diameter (mm) | Finger circumference (mm) |
|---|---|---|
| 4 | 14.9 | 46.8 |
| 4.5 | 15.3 | 48 |
| 5 | 15.7 | 49.3 |
| 5.5 | 16.1 | 50.6 |
| 6 | 16.5 | 51.9 |
| 6.5 | 16.9 | 53.1 |
| 7 | 17.3 | 54.4 |
| 7.5 | 17.7 | 55.7 |
| 8 | 18.1 | 57 |
| 8.5 | 18.5 | 58.3 |
| 9 | 18.9 | 59.5 |
| 9.5 | 19.4 | 60.8 |
| 10 | 19.8 | 62.1 |
| 10.5 | 20.2 | 63.4 |
| 11 | 20.6 | 64.6 |
| 11.5 | 21 | 65.9 |
| 12 | 21.4 | 67.2 |
Between sizes? Consider the larger size; wide bands may fit more tightly. For adjustable rings, check the listed adjustment range. Choose only a size actually offered on this product.
04 Necklace length
Cut a piece of string to the listed chain length and place it around your neck to check where it falls.
Necklace length reference · S–XL
| Guide size | Length (cm) | Length (inches) |
|---|---|---|
| S | 40.6 | 16 |
| M | 45.7 | 18 |
| L | 50.8 | 20 |
| XL | 61.0 | 24 |
S–XL are reference labels for this guide, not universal sizes or stock options. Pendant drop is separate. Placement varies with neck size and body proportions; the illustration is not to scale. Check the chain and extension lengths actually offered on the product.
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