Diamond pencil ruling Version B has a conical cylindrical shape. They are used for various types of grinding: round external, centerless, flat, internal, slot grinding, tooth grinding, thread grinding, profile, for straightening grinding wheels, for sharpening various cutting tools.

The pencils are equipped with natural and synthetic diamonds.





* The sizes are for reference.
An example of a type 04 pencil symbol: PENCIL 3908-0080 STP 00-221.994.005-04.