Sailrite 604U Ultrafeed Monster Flywheel amp; Handcrank Kit Industrial Sewing Accessory

Designed For Machines With Clutch Mechanisms Greatly Improves Machine Performance And Versatility Large Diameter Of The Wheel Enhances Slow Speed Power In Electric Mode Allows For Hand cranking When Electricity Is Not Available Kit Includes A Clogged Balance Wheel, Timing Belt, Plastic Hand crank Handle And Bolt, Set Screws For Locking Onto The Machine's Shaft, Two Allen Wrenches.