CBN Flywheel Grinding Stones are designed for use only on Cast Iron flywheels. Their graphite aluminum core minimizes dressing and 1/8" thick CBN material will provide long life. Measures: 6" / 4-5/8" x 1-7/8" x 1-1/4". This CBN Flywheel Stone is 60 grit.
NOTE: Use with fresh flywheel grinding coolant for best results