32Pcs Double Sided Breadboards for Arduino kits, Electronic Experiments and DIY projects, 5 Different Sizes, 7x9/5x7/4x6/3x7/2x8 cms

Features: Double sided PCB prototype board to meet your demands when designing your own Arduino kits, electronic experiments and DIY projects. 4 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 projects High quality of durable glass fiber–FR4 material with 1.6mm thickness makes a very solid and sturdy prototype circuit board General Specifications: Thickness: about 1.6mm Material: Glass fiber FR4 Color: Green basic, silver tone Hole-pitch: 2.54 mm/ 0.1 inches Hole-diameter: 1 mm/ 0.04 inches 5 Different Sizes of Boards: 2 Pack, 7 x 9cm, 806 Holes 7 Pack, 5 x 7cm, 432 Holes 6 Pack, 4 x 6cm, 280 Holes 10 Pack, 3 x 7cm, 240 Holes 7 Pack, 2 x 8cm, 168 Holes