Foxnovo Universal 830 Tie-points Contacts Solderless Breadboard PCB Experiment Board Test Circuit Board The item is a univeral 830 tie-points solderless breadboard PCB which is made of durable ABS and nickel-plated phosphor bronze material for durable to use. It is composed of 1 * terminal strip (630 contacts) and 2 * distribution strip (200 contacts), and can be used for testing electronic circuits. 100% brand new and high quality Universal 830 Tie-points Contacts Solderless Breadboard PCB Experiment Board Test Circuit Board.