Package:SOPis_customized:Yes Model Number:32 Pcs Double Sided PCB Board Prototype Kit Operating Temperature:6 Sizes Universal Printed Circuit Protoboard Dissipation Power:6 Sizes Universal Printed Circuit Protoboard Supply Voltage:6 Sizes Universal Printed Circuit Protoboard Application:Computer Condition:New Type:Voltage Regulator Origin:Mainland China 32 Pcs Double Sided PCB Board Prototype Kit 6 Sizes Universal Printed Circuit Protoboard for DIY Soldering Project Features: 32 pieces double-sided prototype boards of 6 different size to meet your demands, for electronic experiments and DIY projects. Pre-tinned plated holes on the board make it very handy to solder components and sensors for your projects. 4 mounting holes at the corners of the board are very convenient for installing them together. Work with sodering welding led diode, screw terminal, dupont wire, connector, resistor, IC, DIP, sensors, transistor and other eletronic power components or devices with .1" pin spacing. For Hobby Test, Computer Science Class experiments, point-to-point DIY IoT projects,Raspberry rasp Pi connection Perf Board. Lettering on both side of the PC board makes it easier for prototyping projects, Cuttable fiber glass and FR-4 flame resistant good for soldering,Muti Pins, easy to cut and solder with appropriate tools. Flux for easy soldering and extended serving life of printed blank plating thru perforated board. Specifications Dimension:2x8/ 3x7/ 4x6/ 5x7/ 6X8/ 7x9 CM Quantity: 32 pieces in total of 6 different sizes Thickness: about 1.6mm Material: Great quality of glass fiber FR4 Color: Green basic, silver tone Hole-pitch: 2.54 mm/ 0.1 inches Hole-diameter: 1 mm/ 0.04 inches Package included: One package contain 32 pcs with 6 different sizes, Meeting different needs(large or small projects). 8pcs 2 X 8CM double-sided PCB board 8pcs 3 X 7CM double-sided PCB board 6pcs 4 X 6CM double-sided PCB board 6pcs 5 X 7CM double-sided PCB board 2pcs 6 X 8CM double-sided PCB board 2pcs 7 X 9CM double-sided PCB board 1. Key away from Fire 2. Due to includeing small parts, please keep away from Children under Three. 3. Please leave 5 star feedback if you're satisfied with our products and service, we will appreciate it 4. If the products you received was damaged or any more question, please feel free to contact us.