Presser Foot Lift by hand, max.:5.5 mm; by knee, max. 13 mm Needle Bar Stroke30.7 mm Hook: Assembly Video for Juki DDL8700 Juki Unassembled Sewing Machine Table, Stand, J7R Servo Motor, 110V or 220V, Reverse Motor Switch for Industrial Sewing Machines.(+$329.99)...