The Trinity Black Onyx top incorporates a bold, sleek aesthetic and is ideal for those who prefer a hint of mystery. Made with implant-grade titanium (F-136), complete with the security of an internally threaded system, this piece is safe and designed for long-term wear. The three black onyx stones have a dimension of 4.3 mm to create a refined arrangement yet maintain an understated, sophisticated component.
This piece is suitable for helix, tragus, or flat piercings and makes a great offering for professional studios looking to provide timelessness with a dark, minimalistic edge. Hypoallergenic titanium ensures biocompatibility, even in the most sensitive clients. The polished black finish is compatible with every skin tone and provides a distinct, luxurious accent for any variety of piercings.
| Gauge | 16G |
|---|---|
| Size | 4.3mm |
| Color | Black |
At Tremun, we specialize in manufacturing piercing jewelry using implant-grade titanium Ti-6Al-4V ELI (ASTM F136), a material recognized in the biomedical industry for its exceptional biocompatibility and corrosion resistance. This titanium alloy, composed of aluminum (6%) and vanadium (4%), is free from nickel and allergenic elements, making it ideal for applications requiring prolonged body contact, such as surgical implants and piercing jewelry.
Our titanium meets ISO 5832-3 and ISO 10993 biocompatibility standards and is certified under F-2923 and F-2999 regulations, ensuring its safe use for children over 3 years old and adults. These certifications confirm the material’s mechanical strength, chemical stability, and bioinert properties.
The manufacturing process includes high-performance polishing that reduces surface roughness, minimizing bacterial adhesion and promoting faster healing. The Ti-6Al-4V ELI alloy is wear-resistant and non-magnetic, ensuring stability under adverse environmental conditions and preventing skin reactions or color transfer.
Each production batch undergoes stringent quality controls, including spectroscopic analyses to ensure material purity and the absence of trace elements such as cadmium, lead, or arsenic. Additionally, our pieces are fully traceable, from raw materials certified under ISO 9001 and ISO 13485 to final delivery, ensuring complete supply chain control.
At Tremun, we offer free shipping worldwide on orders over €350, managed through DHL Express, a globally recognized leader in logistics. All orders are shipped from our facilities in Barcelona, Spain, within 24 business hours, ensuring fast and reliable processing.
With DHL Express, 99% of shipments are delivered within 24 to 72 hours, depending on your location. This level of speed and efficiency makes Tremun one of the few companies in the piercing industry to provide such an effective shipping system. Additionally, each order includes a tracking number so you can monitor its journey to your doorstep.
All products are carefully packaged to ensure they arrive in perfect condition.
Discover how Tremun combines luxury and convenience with world-class shipping.
At Tremun, the quality of our jewelry is not just a promise; it is an unwavering standard. That is why we offer a lifetime assurance against any manufacturing defects, ensuring each piece retains its elegance, durability, and perfection over time.
The assurance does not cover:
At Tremun, we believe true luxury is supported by absolute confidence.
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