Eurocard format Square pad PCB for circuit development. Single sided pad design with connector patter suitable for DIN 41612 and DIN 41617 connectors. The component pads are on a 2.54mm pitch and grid and have a nominal diameter of 1.02mm There are 34 rows with 60 pads per row.The base material is Epoxy Glass FR4 with 35 micron copper pads.