12-30-2004, 06:48 PM 
		
	
	
		I agree with maddawg.  The blades just don't sharpen well enough to be economical.  In the long run, you're better off purchasing new blades.  Treat them well and a pair of blades should last an entire season.   I usually change my blades mid-season.  They are fresh when the ice is thick and do a decent job at the start of the following season.  End of year clearance sales can be a great time to buy new blades at a reduced price.
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