4PCS Breadboards Kit Include 2PCS 830 Point 2PCS 400 Point Solderless Breadboards for Arduino Proto Shield Distribution Connecting Blocks

830 tie points breadboards: 630 tie-point ic-circuit area plus 2x100 tie-point distribution strips providing 4 power rails 400 tie points breadboards: 300 tie-point ic-circuit area plus 2x50 tie-point distribution strips providing 4 power rails The Breadboards Can be Spliced According to the Unit, the Structure is Clear in Color. 2-Sided Peelable Adhesive Tape?Easy to Stick on the Arduino Prototype Shield?Suitable for Line Prototype Design. Wire size: Suitable for 20-29 AWG wires. Material: ABS Plastic Panel, Tin Plated Phosphor Bronze Contact Sheet. Voltage / Current: 300V/3-5A. Package includes: 2PCS 830 Tie-Points Breadboard 2PCS 400 Tie-Points Breadboard