Shine (Premium)
| US | UK | HK | Internal Diameter (Mm) | Circumference (Mm) |
| 5 | J 1/2 | 9 | 15.7 | 49.3 |
| 5.5 | K 1/2 | 10 | 16.1 | 50.6 |
| 6 | L 1/2 | 11 | 16.51 | 49.3 |
| 6.5 | M 1/2 | 13 | 16.92 | 51.9 |
| 7 | N 1/2 | 14 | 17.32 | 54.4 |
| 7.5 | O 1/2 | 15 | 17.73 | 55.7 |
| 8 | P 1/2 | 16 | 18.14 | 57 |
| 8.5 | Q 1/2 | 17 | 18.54 | 58.3 |
| 9 | R 1/2 | 18 | 18.95 | 59.5 |
| 9.5 | S 1/2 | 19 | 19.35 | 60.8 |
| 10 | T 1/2 | 20 | 19.7 | 62.1 |
| 10.5 | U 1/2 | 22 | 20.17 | 63.4 |
| 11 | V 1/2 | 23 | 20.57 | 64.6 |
| 11.5 | W 1/2 | 24 | 20.98 | 65.9 |
| 12 | X 1/2 | 25 | 21.39 | 67.2 |
．Assess an Existing Ring
1. Choose a ring you currently own that fits you well.
2. Gauge the internal diameter of the ring in millimeters.
．Determine Your Finger Size
1. Encircle the base of your finger with a string or a narrow strip of paper.
2. Indicate the point on the string or paper where it intersects.
3. Calculate the length of the string or paper in millimeters.
- Product only available in USA - Free Shipping
- 30 day return window
Feel confident and prepared with your Sentri ring, a versatile self-defense accessory that combines timeless design with genuine materials. Explore our Shine collection, presenting variations in 14K gold, 14K rose gold, 18K white gold, 18K yellow gold, 18K rose gold, and Platinum, all adorned with a stunning shiny finish.
The Shine orbs threaded design is meticulously crafted for swift deployment, ensuring the 10mm blade is exposed in just under 2.5 rotations for immediate protection. Rest assured, each of our rings is handmade in Los Angeles, California, showcasing the highest quality materials and craftsmanship.