AMERICAN CRAFTS-Knock Outs Border Punch. Make stunning projects with Knock Outs border punches. While they can be used alone; they are designed to be used with the Interchangeable Border Punch System (sold separately). This package contains one 1-1/8x2-3/4x1-5/8 inch punch and two 1-1/8x1/2 inch alignment wing guides. Available in a variety of designs: each sold separately. Imported.