This interchangeable Metal Miter die set only has a slender .050-inch thick punch for miter corner shapes in most vinyl and laminate cap metals with at least a 1/16-inch opening. This slender punch can enter the narrower channels. It can be used on any Metal Miter handle (No. 845) to punch out the 90° notches necessary to form a corner. Adapts to the handles from the following combos: Nos. 847, 849, 851, 870.