Dremel 8153 aluminum oxide stone
8153 has a 3/16-inch working head in the manufacturer’s chart.

How to choose
Compare the smaller head with a broader aluminum oxide stone when working around a nearby edge. The working diameter helps you judge whether the surrounding surfaces can stay clear.
Compatibility and limits
3/16-inch aluminum oxide head · compare the working face to the recess
Care
Before mounting the accessory, check its speed rating against the tool and use the holder specified for its shank or mandrel. Refer to the exact model instructions for the workpiece.
Questions before buying
Can a small aluminum oxide stone replace a silicon carbide point on ceramic?
Use the material listed for the exact stone. If a ceramic task needs the silicon carbide family, compare the 84922 for a narrow working head.