★★★★★
Sizing kit works
Bernie 46—January 4, 2026
Sizing kit worked. That is its only job. Read more
Starosheit
Ring 4 Sizing Kit Compatible with Oura Ring4 Professional Finger Measuring Tool Smart Ring Find Your Before You
$9.99
size6
About this item
- Find the Right Fit Every Time: Our ring sizing kit compatible with Oura 4 ring size , makes it easy to measure your finger and find the perfect size before ordering — ensuring comfort and accuracy for you or your loved ones.
- Easy to Use：Our finger measure for ring size simply follow the number on the card to perform the fitting test. For optimal accuracy and a more comfortable wearing experience, apply a bit of olive oil to make it easier to put on.
- Wear It Your Way : Smart ring sizing kit suitable for any finger, on either hand. For the best experience, try the index, middle, or ring finger. We recommend wearing the ring sizer for at least 24 hours to confirm your ideal fit.
- Smart Shopping Starts Here : Use our accurate ring sizing kit to determine the right size in advance and avoid unnecessary returns or exchanges.
- Non-Standard Sizing :Ring 4 sizes runs a bit different from standard ring sizes, so your can use our sizing kit find your best fit. It comes in whole sizes only—from 4 to 15, with no half sizes.
$9.99
In Stock
Easy Returns · Return eligibility shown before checkout
How you'll get this item
DeliveryShipping details confirmed at checkout
Fulfillment
Ships fromVentari
Sold by
Lamihy
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PaymentsPayment details confirmed at checkout
Currently unavailable
Easy Returns · 30-day window
Technical specifications
| package_dimensions | 6.65 x 4.45 x 0.59 inches |
|---|---|
| item_weight | 1.44 ounces |
| best_sellers_rank | #30,154 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #24 in Ring Sizers |
| other_display_features | Wireless |
| whats_in_the_box | Ring 4 Sizing Kit |
| manufacturer | Starosheit |
| date_first_available | October 3, 2024 |
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From the brand
Product videos
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Customer reviews
4.755 ratings
- 5★88%
- 4★0%
- 3★13%
- 2★0%
- 1★0%
Customers say
Customers find the sizing kit helpful, with one mentioning it provided accurate measurements for their ring fingers.
★★★★★
It helped in an accurate sizing of our ring fingers
john davis—October 23, 2025
this saved time and money knowing my exact ring size, have already loaned it out to other family members Read more
★★★★★
Good feedback!
Carol—September 26, 2025
It’s a bit larger than I’d imagined, but I really like the feedback! Read more
★★★★★
Worth the price.
Customer—November 11, 2025
Just what I needed to make the sure I had the correct size Read more
★★★★★
Big hands & Big feet, you know...
David Lyal—November 9, 2025
Seems to be fine, but apparently I need a size #16 ring! Read more
★★★★★
Nice way to try the sizes
gotscrapz—October 30, 2025
Arrived quickly and helped me try out the fit and sizing. Read more
★★★★★
Wise investment
Dori—October 28, 2025
Very helpful in deciding just the right size to purchase the Oura ring. Oura ring is also an excellent product. Read more
★★★☆☆
Missing One
Steph—November 29, 2025
This was missing a size. Fortunately, it not one that I need but still... Read more
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