Abstract: A portable pipe-cutting apparatus, for use in cutting plastic, rubber and other non-metallic pipes or tubing and thin-wall metal pipes and tubing, having a rotatable cutter head for supporting a cutting element therewith, the cutting element being a serrated, plain wire, or cutting tooth. The cutting head is adapted to be opened for engaging and releasing the pipe. Because of its light weight and simple design, the cutter can be used in a variety of awkward working situations.