ITEM NAME:60pcs Double Sided PCB Board Head Connector Terminal Blocks Assortment Kit Y1I2 60pcs Double Sided PCB Board Head Connector Terminal Blocks Assortment Kit Y1I2 60pcs PCB board kit comes with 30 pieces prototype circuit boards, 40 pieces male and female header connector and 10 pieces screw terminal blocks. 4 different size, 2x8cm, 3x7cm, 4x6cm, 5x7cm size are included in this assorted prototype boards. You also can cut these pc boards into any shape any size when designing your own Arduino kits, electronic experiments and DIY projects. All the double-side plated prototype boards are made of durable Plastic, metal with 1.6mm thickness. 4 mounting holes at the corners of the board are convenient for installing. The pre-tinned plated holes on the board make it very handy to solder components and sensors for your projects. You can keep the prototype boards connected for larger projects or snap them to smaller sizes for medium or small projects. Specifications: PCB Boards: Dimension: 2x8cm, 3x7cm, 4x6cm, 5x7cm Thickness: about 1.6mm Hole-pitch: 2.54 mm/ 0.1 inches Hole-diameter: 1 mm/ 0.04 inches Male and Female Header Connector: Pitch: 2.54mm Number of pins: 40pin Type of row: single row Type of connector: straight Screw Terminal Block: Pitch: 5.08mm, 5.08-301-2P Rated voltage: 300V Rated current: 16A Material: Plastic, metal Color: Color as shown Package Includes: 8 x 2*8cm prototype PCB universal board 8 x 3*7cm prototype PCB universal board 7 x 4*6cm prototype PCB universal board 7 x 5*7cm prototype PCB universal board 10 x male header connectors 10 x female header connectors 10 x screw terminal blocks Only the above package content, other products are not included. Note: Light shooting 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..PCB Boards Male and Female Header Connector 8 x 2 8cm prototype PCB universal board. 8 x 3 7cm prototype PCB universal board. 7 x 4 6cm prototype PCB universal board. 7 x 5 7cm prototype PCB universal board.