400 Point Mini Solderless Prototype PCB Breadboard Protoboard Specifications: Solderless Breadboard with 400 Tie Points 1 Double Terminal Strip, 300 tie-points (30 rows, 10 points per row) 2 Power Distribution Strips, 100 tie-points (each strip has 25 rows, 2 points per row) ABS plastic housing, metal contact clips Suitable for 20-29 AWG wires