iM3 Oscillating Disposable Prophy Angles. Rock and Roll prophy angles are complete, ready to use with a soft rubber prophy cup. The R&R’s are pre lubricated and iM3’s unique blue colour is your guarantee of the prophy angle lasting a complete procedure. The oscillating (back & forth) action of the prophy cup prevents the animal’s muzzle hair from being tangled. Traditional prophy angles turn 360 degrees and wind up muzzle hair. Does not splatter prophy paste. Does not tear or cut soft tissue. Individually packaged. Pack of 100. L7465.