Description PCB machining kit Includes both 2" x 3" FR1 Copper Clad Double Sided (10pk)and 4" x 6" FR1 Copper Clad Single Sided (10pk)double sided/single sided plates Comes with a Double Sided Tape, #501 PCB Engravers, the Drill Variety Pack and the Carbide 3D 0.5mm, 0.7mm, 0.9mm PCB Drills (10pk) The PCB Machining Kit includes all the drills, cutters, and material you need to get started. View more What's Included 4 x #501 PCB Engravers 10 x Drill Variety Pack 10 x Drill Standard Pack Double Sided Tape 10 x 2x3", Single-side FR1 10 x 2x3", Double-side FR1 10 x 4x6", Single-side FR1 10 x 4x6", Double-side FR1