Description
Why choose Spawlab.pl?
As an authorized distributor and sales leader of Optrel in Poland, we provide more than just equipment. When you invest with us, you get assurance and full support at every stage.
- ✔ 1 00% Originality Guarantee: You get brand new equipment from official Polish distribution.
- ✔ Express Shipping: we ship the products directly from our warehouse, no waiting time.
- ✔ Professional Advice and Full Service: we provide professional technical support and access to all spare parts.
- ✔ Trusted by Professionals: Join the thousands of welders in Poland who have placed their trust in our expertise and reliability.
Optrel IsoFit® tether (black, green knobs) – 5003.291
Optrel’s IsoFit® tether is a revolutionary upgrade for professional welders who value uncompromising comfort and ergonomics during long hours of work. Designed as the world’s only system with full, three-dimensional adjustment, the IsoFit® Harness adapts perfectly to any head shape, significantly reducing neck strain and eliminating pressure points. This is the key element that transforms the perfect welding visor into a tool that is perfectly integrated with the wearer, taking productivity and safety to unprecedented levels.
Key features
Technology Details
Technical Specifications: visor
| Feature | Value |
|---|---|
| Catalog number | ** 5003.291 |
| Adjustment | ** Three-dimensional (3D) – width, length, height |
| Fitting range | ** Sizes from S to XL (maximum head circumference 62 cm). |
| Materials | ** High-quality plastic, cable system, replaceable comfort inserts made of Tricot material |
| Compatibility | ** Dedicated to Optrel’s Panoramaxx, Sphere, Liteflip and Y-Series welding visors. |
What Do You Receive in the Kit?
→CompleteOptrel IsoFit® tether (cat. no. 5003.291) with black shell and green adjustment knobs
→Integratedset of interchangeable comfort insoles made of Tricot material
Main Applications
→Modernizationand professional upgrade of standard trusses in compatible Optrel visors.
→Increasecomfort, stability and ergonomics during prolonged, demanding welding and grinding work.
→Idealfor welders working in forced positions, where perfect balance and stability of the visor are crucial.
About the Optrel brand
Optrel is the Swiss leader of innovation in welding protection. When you choose the brand’s products, you’re investing in decades of engineering expertise, uncompromising quality craftsmanship and technologies that continually set the highest standards for safety and comfort in the global marketplace. Trust the precision that professionals around the world rely on.


