Brand: Philmore LKG. MPN: 12-614. Datak Matching Protoboard. PRINTED CIRCUIT BOARD / Protoboard. Product Specifications: FR-4 fiberglass, 1.9" x 3.0" board with a total of 400 solder type donut pads/holes, will match with RH20 push-in protoboard, .042" diameter holes with copper donut surrounds, holes spaced 0.10" centers, board thickness is 1/16".