These are coarse clipper blades made by Heiniger that There are fewer cutting teeth on them than the medium set making the animal hair they cut more varied in length.

There are 23 teeth on the cutter and 21 on the comb. These are the standard blades for clipping the underside of cattle but are classed as a coarse Heiniger blade for clipping horses. It will give a coarser cut of between 2 – 4mm.