Sold in packs of 10s.
A word from the designer:
In the current magnetic switch market, we have not yet found a highly cost-effective magnetic switch, but we hope that the magnetic switch market can have an additional choice, a highly cost-effective choice.
So we brought this Black Knight magnetic switch.
Specifications:
- Hall Effect Switch
 - Linear
 - Top Housing: Polycarbonate
 - Bottom Housing: Nylon
 - Stem: Modified POM (increases smoothness)
 - Total Travel: 3.6mm
 - Initial Force: 45g
 - Bottom Force: 55g
 - 15mm kos spring
 - 2-Pin
 - Factory lubrication
 - Manufactured by Moyu.Studio