Lisle, brake cylinder hone

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.

3 stones; 1 1/8" long, 240 grit; Adjustable range 27/32" to 2" (21.4mm to 50.8mm); 

Note: See fmc-530-771 for replacement stone set