- Works in bore of 3/4″ (19mm) to 2 1/2″ (63.5mm)
- Collar prevents stone breakage
- Square ends of stones hone to the end in step-cut and blind-end cylinders
- Sleeve makes insertion into cylinder easy, protects stone when not in use
- Three aluminum oxide grinding stones
- Low carbon steel, zinc plated with black oxide finish
- The knurled nut controls the pressure and tension for faster and smoother removal of deposits and corrosion in brake and all types of cylinders. Produces the proper finish for the new seals to seat against. Hones clear to the end in step-cut and blind-end cylinders. Flexible shaft and spring loaded legs for easy use right on the car with any variable speed electric drill.
grinding stone dimensions: 1-1/8″ L x 2-9/16″ W x 3/4″ diameter Size capacity: 3/4″ to 2-1/2″ diameter Overall dimensions: 8-1/16″ L x 2-9/16″ W x 3/4″ diameter