Solderable breadboard pattern with the same pattern and spacing as our solderless breadboard, CAT# PB-840. Plus, there are 2-hole pads at each end of the board to allow use of DIL headers. Transfer your parts and wires, keeping the same layout to get a long-lasting prototype with reliable solder connections. 47 x 179 x 1.6mm. High-quality FR4 glass epoxy PC board. Copper on one side.