Global Specialties PB-4 Socket Plate for use with PB-505

The PB-4 is a replacement breadboard socket for use with PB-505 Advanced Circuit Design Workstation. The PB-4 has a breadboarding area consisting of 3360 tie-points secured to an anodized aluminum back plate for strength and durability. The PB-4 is secured to the trainer with velcro.