Check the listing for details. 10Pcs PCB Board Single Sided Printed Circuit Prototyping Boards 20mmx80mm. Condition: New. Listed at 10.02 USD. What is this?These PCB boards are great for assembly of a point to point style electronics board. Suitable for countless small electronics projects such as building a robot. If you are working with hobby electronics and want a more permanent circuit solution but don't want to design your own PCB, these are great for you!What will I get?The prototyping boards we provide here are in the size of: Dimension: 20mm x 80mm / 0.79 x 3.15 inch (W*L); Thickness: 1.6mm / 0.06 inch; Tinned Hole Diameter: 1mm / 0.04 inch; Tinned Hole Pitch: 2.54mm / 0.1 inchIn the package of: 10 x Single Sided PCB BoardsAre there any advantages of the product?They are made of FR-4 glass fiber, single sided with tinned through holes. This is a fast easy way to build small projects, they are durable and the tinned holes can take heat without lifting off.