Oster Clipper Blades I Am An Animal Groomer And I Am Looking For Clipper Blades That Actually Cut Properly, Suggestions?

I am an animal groomer and I am looking for clipper blades that actually cut properly, suggestions? - oster clipper blades

I bought dozens of sheets of Andis and Oster recently petedge some leaves and / or hair cut, cut, cut the wrong length or unevenly. I spoke in vain with the service Custer, and the sharpness not. BLADES need to designate where and what kind?