Performance Tool W80560 Piston Cylinder Hone 2"-7"Flexible shaftAdjustable honing tension2" to 7" diameter range (50.8-177.8mm)2" through 4" and 4" through 7" settingsThree 220 grit 3" stonesPerformance Tool W80560 Piston Cylinder Hone 2"-7". Flexible...