Brand: Philmore LKG. MPN: 12-606. Phenolic Protoboard 1.93" x 2.33". PRINTED CIRCUIT BOARD / Protoboard. Product Specifications: 3/pkg, solder type board has 285 copper donut pads in a 15 x 19 grid, spaced on centers of .10", mounting holes are spaced approximately 1.6 x 2" centers, mounting holes: (4) diameter .140", board thickness: 1/16".