Application: The flame needle is used for cutting a gap between two teeth so that a different bur can be employed. Finishing: for  amalgam and composite filler surface finishing. 

Diamond bur with perfectly rounded shank made of one piece stainless steel. And consists of a multi-layered diamond grit evenly distributed around the shank. 

Advantages: 

1. Don't bend or break under pressure at high speed. 
   
2. No vibration trauma's and 
3. last much longer.