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					Originally Posted by Nufy  Does the snake have an auger function where you can rotate the tip to dig into the blockage ?.. | 
	
 
Yes.  I have a Ryobi power 1/2" auger.  It's not industrial strength, of course, but still a powerful auger.  The problem is that the pipe is 4-inch diameter.  Once the auger tip hits the blockage it's easier for the snake to buckle back than to drill into the obstruction, which has hardened into a clump.