Comparison : Item # 20209, Worm Gear Reducer Model 202 with Adapter Plate Flange
Item # 20210, Worm Gear Reducer Model 202 with Adapter Plate Flange
Item # 20211, Worm Gear Reducer Model 202 with Adapter Plate Flange
Item # 20212, Worm Gear Reducer Model 202 with Adapter Plate Flange