The Global Specialties model PB-70 is a unique Proto-Board system in kit form, which offers a large circuit design area with 1680 Tie Points, 336 Terminals, capacity for up to 16 IC's, easily recognized colored coded pin numbers and a number of Bus Strips which allow for Voltage Plus, Voltage Minus and ground connections from the top of the PB-70 using the Voltage Input connectors that you install.

The Breadboard area is secured to a High Impact Anodized Aluminum back plate and each Breadboard is insulated from contact and any chance of Short Circuit possibilities to the plate via heavy Mylar backing on the breadboards.

Parts plug-in/pull-out without soldering or damage by using the conductive spring clips inside the Breadboard area which grab component leads and connecting wires, AWG # 22-30, securely.