These carbides have a special inverted blade geometry for lefties. By not having to change your hands you lower the risk of injuries and eases your workflow. Left-Hand Burs are easy to recognise by an additional white ring.
 
Variation #:
AC-100-LH-157-014 (1.4/3.2)
AC-100-LH-158-023 (2.3/8.0)