Part No.: E0415060190ALayer count: 2 layerMaterial: FR4, TG170, 1.6mm, 1 OZ for all layerMinimum tack: 8 milMinimum space(gap): 8 milMinimum hole: 0.20mmSurface finished: OSPPanel size: 58*58mm/1upwww.efpcb.com/products/by-proc…