Lisle 23500 Stone-Type Glaze Breaker

• 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.