Glaze Breaker Cylinder Hone

Ideal for removing the residue and deposits that build up inside an engine's cylinder wallsAdjustable collar and spring mechanism allows width and pressure to be adjusted to suit the applicationCan be used with any electric drill to provide positive controlled pressure and contact through the full rangeDesigned to allow quick and easy changes of stones to suit any applicationFlexible drive shaft permits easy access to all cylindersIncludes: 4" Medium 220 grit stones