Crain 846 Miter Die Set is an interchangeable Metal Miter die set only that has an extra-thick .135" punch for mitering corner shapes in heavier cap metals, such as carpet cap or wallboard cap. Crain 846 Miter Die Set 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. NOTE: this punch is too thick to enter the narrow channels of laminate and vinyl cap metals. For use on aluminum cap metal only. Special Order Item.