Crain 848 Miter Die Set is an interchangeable Metal Miter die set that only has a relieved .090" thick punch for mitering corner shapes in most vinyl and carpet cap metals with at least a 3/32" opening. Crain 848 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. For use on aluminum cap metal only.