The document describes two sheet metal forming machines, the WUKO Z-REBATED JOINT LOCK 1003A and 1003B, which are used to lock Z-rebated joints onto linear and circular work pieces. The 1003A is for rebated joint heights between 5.0-12.0 mm and can handle sheet thicknesses up to 1.00 mm at 400 N/mm2. The 1003B is for rebated joint heights between 6.0-14.0 mm and can handle thicker sheet materials up to 1.50 mm at 400 N/mm2. Both machines operate at 220-240V and 50-60Hz frequencies, and are lightweight, robust, and suitable for