Machined Aluminum Alloy Frame.
The luxurious aluminum alloy machined frame delivers the accuracy and quality without compromise.
The high quality frame material with a high degree of accuracy is produced by luxurious machining process, and the surface thereof is subjected to a plasma coating (part of bio-metal mask pro) or hard alumite processing ( aluminum frame) in order to much improve luxurious and durability.
Wide 3D vision with Metal frame ?First in the world (Design Patented)
The metal frame attains width of the center portion of frames as only 7mm.
It feels like a single lens mask.
Specification of frames
| Material | Finish | Mention | |
| bio-metal mask Titanium | Titanium alloy | Blast finish | Optional instruments attachable. The high-end mask in the world |
| bio-metal mask pro | Stainless alloy | Polished by craftsman metal coating |
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| bio-metal mask PREMIUM | Aluminum alloy 3D machining |
Polished by craftsman + anodize | Brilliant colors lightweight |
| bio-metal mask B.SV, NVBL, D.PL |
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| bio-metal mask PE, L.YL, AQM, C.BK |
Etching + anodize | Chic and silky colors lightweight |