Monument MON2645 2645T Ratchet Action Plastic Pipe Cutter 42mm Monument Plastic Pipe Cutter effective on PVC polybutylene MDP polyethylene HEP20® plastic overflow pipe plastic electrical conduit supertube mini trunking rubber hose pneumatic pipe and electrical sleeving. Simply place the cutter over the pipe to be cut and gently twist while you depress the handles to get a good clean cut. Monument Plastic Pipe Cutter. Maximum Pipe Size: 42mm ratchet action.