3-Stone Hone Fits Cylinders 27/32" 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.
# 10050 Replacement Stones
