Check the listing for details. Black PCB Solderable Breadboards For Prototyping (Panel of 2)(Assembly Required). Condition: New. Listed at 7.45 USD. We occasionally need to quickly prototype and verify a design, so we created these PCBs to allow for a more permanent breadboard solution. Since we are able to panelize these boards we would like to share them at a reasonable price and hope that you can find a use for them in your projects as well. Features:Multi-footprint pads in middle of board for 0402/0603/0805/1206 components Option to supply power through a power barrel or terminal block for each side Separate left and right power rails can be connected/shorted with the provided 0.1" (2.54mm) header/jumpers Physical Details: Solder Mask: BlackSilk Screen: WhiteDimensions: 1.97" x 3.94" (50mm x 100mm) Optional Components: (4x) Power Barrel: 2.1mm x 5.5mm(4x) Terminal Block: 5mm Full v-scored sheet with 2 boards (2x1 array) is 100mm x 100mm. Thanks for looking!