Features and Benefits:

• Hones drum brake wheel cylinders and disc brake calipers from 13/16 in. to 2-3/4 in. (21 mm to 69mm) in diameter
• Use with variable speed drill
• For disc brake honing use 2004 Replacement Stone Set
• For drum brake honing use 266 Replacement Stone Set

Hones drum brake wheel cylinders and disc brake calipers from 13/16 in. to 2-3/4 in. (21 mm to 69mm) in diameter . Use with variable speed drill . For disc brake honing use 2004 Replacement Stone Set. For drum brake honing use 266 Replacement Stone Set This tool removes metal with a fine grit abrasive stone in order to meet precise tolerances. It's made with a sleeve which makes the insertion in the cylinder easy and protects stones when not in use.