Check the listing for details. 10x FR4 300x200mm 11.81x7.87" Single-Side Copper Clad Laminate PCB Circuit Board. Condition: New. Listed at 45.19 USD. Single-Sided Copper Clad Laminate PCB Circuit BoardProduct Details1.【Applications】Great for making PCB Circuit Board, Models. Widely used in product development, DIY experiments, maintenance, production, etc.2.【Size】Dimension: 300x200mm/ 11.81x7.87 inch(L*W); Thickness : approx. 1.5mm.3.【Material】 Material: Copper; Layers: Single-sided.4.【Stable】Mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate.5.【Note】The oxide layer on the surface of the copper-clad laminate needs to be polished clean with fine sandpaper to ensure that the carbon powder can be firmly printed on the copper-clad laminate during transfer. The surface of the board should be polished bright without obvious dirt.