- A terminal strip: 300 jack - Two distribution strip: 100 Jack - Product dimensions: 3.5x8.2x0.85 (cm) - Phosphor bronze nickel plated spring clips - matching jumper, diameter 0.8mm - Plastic parts: ABS - Purpose: The experiment, testing, robot - Features: splicing It can be recycled, recycling colors clear structure, easy to use Breadboard according to a fixed unit assembly