... Mask, HASL Finish, Contour Punched. · FR1 Single Sided PCB with Flash Gold, Peelable Mask, White Legend, Hole & Contour Punched. · FR1 ... Single Sided PCB with Green Soldermask, Yellow Legend, Hole & Contour Punched. ... Holes, Silver Jumper, Slot & Contour Punched. · FR1 Single Sided PCB with Carbon Jumper, Gold Flash Key Pad, Hole ...