4" to 4.125" 100-105mm Engine Flexible Cylinder Hone Ball Hone 240 grit
4-1/8 105mm Nikasil Cross Hatch Special
MOR-BALLS= Longer Life and Better Finish
105mm 4" 240sc Grit Flexible BallType Hone
New Longer shaft design
High Quality Silicon Carbide BallType Hones
provides a better ring sealing surface for your Engine rebuilds
we offer this in 180 and 240 grit check out other listings