Experimenter's Prototype Board, 3 15/16" x 9 15/16"
Copper strips on one side, 0.40" diameter holes are on 0.10" centers to accept common component leads. The strips run full length but user may break them up using an exacto knife. These are handy for prototyping and may be cut with sheet metal sheer, hack saw ect. to make smaller boards. The board is xxp phenolic material.