PCB Single-sided Copper-plated Green Oil Glass Fiber Universal Board 10*22 12*18 15*20 13*25 2.54mm Holes Circuit Pitch 1.6mm
https://www.vogueparade.com/shopping/EN/4003/1/1005003154655458/pcb-single-sided-copper-plated-green-oil-glass-fiber-universal-board-1022-1218-1520-1325-254mm-holes-circuit-pitch-16mm//