specifications: 1.Two-sided glass fiberboard(FR4) 2.thickness:1.6mm 3.Adopt the two-sided PCB of the 2 oz, and plate with gold 1 u thicknesses completely 4.SIZE:10.5mm*10.5mm INCLUDE::Pins for OP-Amp adapter pcb(8PIN/1u) + ic socket 8pin 30u GOLD Assembly instructions