Lower Plate, HiTorque 9x20 Bench Lathe 

In your instruction manual, this part appears on the parts list as:

Item No	Models
9-53	LittleMachineShop.com 7600 HiTorque Bench Lathe - 9x20 LittleMachineShop.com 7650 HiTorque Bench Lathe - 9x20

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