5 PCS Dental Diamond Burs Drill Medium FG 1.6MM For High Speed Hand

TF means Taper Flat End           
TR means Taper Round End.
 
TC means Taper Conical End     
FO means Flame Ogival End 

SF means Straight Flat End       
SO means straight Ogival End 

EX means SPecial shape           
BR means ball Round.

BC means Ball collar Type          
DI means Double Inverted Cone.
 
SI means Single inverted Cone  
WR means wheel Round Edge

CR means inlay preparation       
CD means Childern's dentistry. 

S means short shank                  
SS means super short shank

Packing:

5Pcs in a pack