Check the listing for details. 10pcs 70x50mm Double Sided Copper Clad Laminate PCB Circuit Board FR4 1mm. Condition: New. Listed at 17.13 USD. Description:* Great for building a prototype of an electronic circuit, double-side copper PCB.* Mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate.* This product is widely used in product development, DIY experiments, maintenance, production, etc.* Note: The product length tolerance is +/-3mm, the width tolerance is +/-2mm.Specifications:* Product Name: PCB Copper Clad Board* Dimension : 70x50mm / 2.76x1.97 inch(L*W)* Material : FR4 1mm* Color: Copper TonePackage content:10pcs x Copper PCB BoardNote: The product may be slightly scratched or dirty during transportation, which will not affect its use.