Lisle 2-Stone Brake Cylinder Hone

2-Stone hone fits cylinders 11/16" to 2 1/2" (17.4-63.5mm)
Controlled pressure makes it possible to polish or hone with just one stone grit
Square ends of stones hone to the end in step-cut and blind-end cylinders
240 grit stones are 1 1/8" long
Flexible driver