It is inevitable that the cutter head on case trimmers will eventually wear out. Case Trimmer Cutter Heads typically do last a long time, but when the cutters stop shaving and starts tearing, it's time to change it out. Midsouth Shooters offers a variety of replacement cutter heads for the Case Trimmer that you have. We carry cutters from major reloading brands like Forster, Lee Reloading, LE Wilson, Forster, Lyman, RCBS and Hornady.