• Full 2” to 7” Range (50.8 - 177.8mm).
• Controlled pressure assures positive, adjustable contact through full range.
• Operates with any electric drill.
• Furnished with 3” long 220 grit stones.
• Adjustable stop collar permits quick selection of two range settings, from 2” to 4” and from 4” to 7”.
• Stone arms are easily compressed to eliminate cylinder scratches.
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