Brand new high quality precision ground carbide burr as detailed below:

Shape: 
Ball Nosed Tree
Head: 
10 X 20mm
Shank: 
Metric 6mm
Cut Style: 
Double or Diamond cut suitable for all general applications.
ISO: 
F102006D

Please do not compare this product with cheap imported goods, this is a branded quality item.
Picture shown is of 12mm version.