PATIKIL 1.2″ x 1.2″ PCB Board Circuit, 24 Pcs Single Sided Prototype Perfboar…
4 mounting holes in the corners, pre-tinned plated holes on the board row, and the column labeled (ay & 1-110) designed for ease to use. For point-to-point DIY welding, pre-drilled and cleaned, cut and drilled to length, and welded.