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Title: Delta GR450 Grinder
Review: I bought this model for use in sharpening lathe chisels. The larger wheel (8" vs. 6") allows for better blade fit across the larger chisel blades. The wheels should eventually be replaced with Norton wheels in the 60 and 120 grit sizes. The biggest problem is that I need a portable grinder and this is too heavy to move easily. I have mounted it on a rolling stand which has helped some. The variable speed is good for sharpening and after the wheels reach speed the grinder is almost vibration free.
