Lisle Brake Cylinder Hone - 10000 is a tool used for cleaning and resurfacing the inside of brake cylinders. The 3-stone hone fits cylinders to 2" (21.4-50.8mm).

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.