... -3, FR-4 Halogen Free, Aluminum based 2)layer: 1-12 3)board thickness: 0.4mm-3.2mm 4)copper thickness ... , black, white, red, blue 9)profiling: Punching, Routing, V-cut, Golden finger, Beveling 10)V-cut angle: 20, 25, 30, 45 degree 11)Beveling ... angle: 20, 25, 30, 45 degree 12)Max working panel ...