Champion Cup Bur. Has a cutting slit all along the length of the
cup. It acts like the pencil sharpner blade. I have not yet seen the
result or know what this feature may do for a jeweler. It will be of
great service to all of us if some one can describe what it will be
Like many other tools we did buy some of these and are they are
available at our 46 Jewelry Supply store.
Here in New York the Black Cup Burs (no brand comes from Germany)
are a lot more popular ( these are cup burs with teeth on the top
lip of the cup) A favorite for stone setters ( Pave). In fact in the
small sizes we hardly sell any of the regular / traditional cup
On Fox burs we have had reports that they work better on platinum
than Busch. In New York Busch is the most prefered Brand and outsells
the others by a wide margin.
Regards fro New York
46 Jewelry Supply
46 West 46 St, NYC