Knurled PCB mounting socket from Harbin with four leaf inner contacts, which will accept 1mm diameter pins or component leads. * Beryllium copper contact material * Tin contact plating * 1.96mm hole * 4.8 x 1.85mm, 1.05mm, 2.35mm diameter https://elecena.pl/product/27225561/harwin-h3161-01-1-0mm-knurled-pcb-socket 2024-11-11 https://elecena.pl/product/27225561/harwin-h3161-01-1-0mm-knurled-pcb-socket 2025-03-23