RMP Stamping Blanks, 1 X 2 Inch Rectangle with Rounded Corners, Aluminum .063 Inch (14 Ga.), W / 2 Holes - 50/pack Aluminum Stamping Blank raw material, ready to be finished 1 x 2 Inche rectangle with rounded corners w/ 2 holes Quantity: 50 pieces The aluminum is .063 Inches or approximately 14 gauge.