4pcs Double-Side Prototype FR-4 PCB Stripboard Universal Printed Circuit Board 9*15cm Size<br />Grid : 0.1" (2.54mm).<br />Thickness : 1.6mm.<br />Hole diameter : 0.9mm.<br />Hole spacing: 2.54mm (100mil) (mm)<br />Material : FR-4 (glass fiber).<br />All holes are plated through.Both sides are identical.Dimension W x L (mm)         <br />Dimension W x L  (inch)       Hole (column x   row)90mm x 150mm                        3.5" x 5.9"                                34 x 54    <br />Package included:100% Brand New・<br />1x Double-Side Prototype PCB Universal Board