Die size: 45x45mm (1/16 DIN size) <br> <br> Draw stud diameter: 22 mm <br> <br> Draw stud thread for hydraulic punch driver: UNF 3/4"-16 (fits Greenlee 746 Ram) <br> <br> Compatible controllers: 1/16 DIN size controllers (Auber SYL-2342/2352/2342P/2352P controller, SYL-2362 controller, SYL-2813 automobile gauge, JSL-73B/74 timer, etc). <br> <br> For manuals and more size options, please check our website.