32 pieces double sided PCB prototype boards well packed in a plastic tray which is very easy to store and take out5 different size boards to meet your demands when designing your own for kits, electronic experiments and DIY projects4 mounting holes at the corners of the board are very convenient for installing them together.Pre-tinned plated holes on the board make it very handy to solder components and sensors for your projectsHigh quality of durable glass fiber material with 1.6mm thickness makes a very solid and sturdy prototype circuit boardMaterial:glassfibercolour:greenPackage Contents:7 * 2x8CM double-sided PCB board with 168 holes10 * 3x7CM double-sided PCB board with 240 holes6 * 4x6CM double-sided PCB board with 280 holes7 * 5x7CM double-sided PCB board with 432 holes2 * 7x9CM double-sided PCB board with 806 holesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.