About this item

• 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, see below for other grits.
• 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.