3-1/2″ 90mm Engine Cylinder Flexible Ball Hone Brush 240 Grit Tube Honing Brush

Flexible Cylinder Hone Brush for all engine applications utilizing a 3.050″ to 3.550″ or 78mm to 90mm bore. 100%Brand new Designed to work with cylinder bores from 3.050″ to 3.550″. Perfect for all engine types and block materials. 240 grit, EXCELLENT for reringing jobs or final bore. Tool is labeled as 3 1/2″ diameter but is actually slightly larger to provide the required wall force for honing the 3 1/2″ bore Package included: 1x Flexible Cylinder Hone Brush.