
Aerospace diamond coating style
This coating is a low-temperature diamond coating process that has been specially used in aerospace materials in the past. Its advantages are ultra-high hardness, high wear resistance, high and low temperature resistance, acid and alkali resistance, and high lubricity.
It can effectively resist oxidation, bumps and other damages, and can basically be used for a long time and still look like 99% new
Thousance Falcon Aerospace Diamond Coating Version Surface Strength Test

METILIS's original disassembly-free function switching mode
(Switch modes by turning the inner semicircle to get multiple sensory feedback)

The original cross-vibration structure can adapt to any wire diameter, outer diameter, and length of springs within 3.1mm in the market to achieve different feel and discover a different sound feel from the original. You can even overlap the light and heavy springs and assemble them, and you may find a resonant sound!
| Outer diameter | wire diameter | length | feel |
| 2..5 | 0.25 | 9 | soft |
| 3 | 0.25 | 10 | soft |
| 3 | 0.25 | 7 | Relatively soft |
| 2.5 | 0.3 | 8 | Relatively hard |
| 3 | 0.3 | 8 | hard |