Standard 4 point cutter. 4.0 mm thick For the removal of wool, fiber and hair from livestock Works with all 13, 17, 20, 22, 23 tooth combs (sold separately) Fits Premier’s 4000s Shearing Machine (sold separately) or any 3" shearing head Combs set the depth and speed at which fiber is removed (more teeth = slower speed, thinner combs = less fiber remaining) Slide the cutter on top of the comb producing the cutting action Standard 4 point cutter. 4.0 mm thick. For the removal of wool, fiber and hair from livestock. Works with all 13, 17, 20, 22, 23 tooth combs. Fits Premier’s 4000s Shearing Machine or any 3" shearing head (sold separately). Slide the cutter on top of the comb producing the cutting action. Combs set the depth and speed at which fiber is removed (more teeth = slower speed, thinner combs = less fiber remaining).