Named after George Turnbull, the engineer who built King’s Cross station, Turnbull is a ‘quadra’ shape - an elegantly rounded square. Custom components include a fluid single piece bridge, and temple tip based on Constantin Brâncuși's Bird in Space.
- 99.7% pure titanium front
- More than 4hv on the Vickers hardness test.
- Ion plated to over 0.3µ
- Weighs under 5.0g
Our frames come in a range of sizes from Extra Small to Extra Large. The overall size of a frame is based on its width, with each around 5mm apart.
The bridge of a frame is Narrow, Medium or Wide, and some frames are available as Low bridge.