a spring - biased cutting tool for plastic pipes . the tool includes two elongated members pivotally connected to each other in a scissors - like manner . each elongated member has a handle portion and a jaw portion with one jaw portion including a knife blade and the other an anvil . to assemble the elongated members , one of them is provided with a central aperture or hole through which the other member can be passed to form the scissors - like shape . a leaf spring in then clipped at one end over an edge portion of the aperture and extends across to abut against the other elongated member and bias the handles of the tool apart and the jaws of the tool is open to receive a pipe to be cut .