Oct 15, 2009· Anyone who refers to that grinder as a "tungsten sharpener" hasn't sharpened many tungstens. Not even close. Those Chinese abrasives won't last thru 10 sticks. If you're looking for a "low buck" alternative to a dedicated tungsten grinder (Piranna, hand held, etc) then you may want to take a look at the route I followed. 1.