10*22 2.54mm PCB Double Side Experimental Bakelite Copper Plate Circuirt Board Broken Fiber Supper Capacitor Protection Board
https://www.vogueparade.com/shopping/EN/4003/1/1005003160520327/1022-254mm-pcb-double-side-experimental-bakelite-copper-plate-circuirt-board-broken-fiber-supper-capacitor-protection-board//