This item can be shipped to United States. Shimadzu tmp-3203lmc-a1 turbo-molecular vacuum pump spins freely chips on blade 21,000 rpm with magnetic bearing. We are unable to test this at all. There are chips on some of the blades. This item is in the category Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Other Vacuum Pumps.