ITEM NAME:8PCS 6x8cm Double-side Prototype PCB Universal Printed Circuit Board FR-4 New Descriptio n Description: Thickness: 1.6MM (plus or minus 0.05-0.1 tolerance) Distance: 2.54MM spacing Aperture: 1.0MM Uniform sheet, high temperature baking oil. The tin surface is smooth and beautiful! High quality durable glass fiber is a very powerful prototype board. Pre-tinned holes on the panel make it easy to weld components and sensors for your project Specifications: Material: FR-4 Color: Blue Size: 6*8CM Package Included: 8 * Universal Circuit Board Note: Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 8PCS 6x8cm Double-side Prototype PCB Universal Printed Circuit Board FR-4.Uniform sheet, high temperature baking oil. The tin surface is smooth and beautiful! High quality durable glass fiber is a very powerful prototype board. 8 Universal Circuit Board. Distance: 2.54MM spacing.