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					Originally Posted by  stateofidleness
					 
				 
				The physics on that 2-post Max Jack have me baffled.. i don't see how they work without being anchored. Just looks... sketchy... although I'm sure they work great and smarter people than me engineered it! 
 
Something about a stable 4-post gives me the warm fuzzies... I know.. sounds dumb, but it could be used for storage of a vehicle too! 
			
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I'm pretty sure the Max Jack is anchored. The idea is to be able to unbolt the anchor studs and easily move a post to open up space.