RMP Stamping Blanks, 1 1/4" Round Washer with 3/4" Center Hole, Aluminum .040" (18 Ga.) - 50 Pack Aluminum Stamping Blank Raw material, ready to be finished 1 1/4" Washer with 3/4 Inch Center With Hole Quantity: 50 pieces .040" Aluminum with Protective, Peel Away Film