10Pcs/lot MKA14103 MKA-14103 Tone Leads Glass N/O SPST Reed Switch 10-15AT 2*14MM Normally Open Magnetic Switch
https://www.vogueparade.com/shopping/EN/4003/3/1005002601381413/10pcslot-mka14103-mka-14103-tone-leads-glass-no-spst-reed-switch-10-15at-214mm-normally-open-magnetic-switch//