Removes deposits and corrosion in brake cylinders. Tools adjust to a wide range of diameters, flexible shaft accommodates electric drills and stones are replaceable. Can use right on vehicle.
Brake cylinder diameter range: 13mm-57mm.
Number of stones: 2
Stone type: 220 Medium Grit
Stone lenght: 1-1/8" (22mm)
Overall length: 8-1/2"(22cm)