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