Introducing Sunex Tools SX280 Punch/Flange Air Tool. This punch and flange tool has a head that rotates 360 degrees to enable users to punch 3/16" (5mm) welding fastener holes. Users can also rotate the SX280 to crimp flanges on up to 14-gauge sheet metal. Using this tool will enable the operator to reduce sheet metal fabrication time in half, making it a valuable tool for every fabricator in the market.