A plier type stripper tool is provide for stripping sheathed cable of the type having a three spaced insulated power conducting wires, a ground wire disposed among the insulated wires and a sheath surrounding the wires. In one embodiment, the stripper tool includes a pair of levers having jaw, boss and handle portions. The stripper tool may further include a pivot joining the boss portions to enable relative movement of the levers about the pivot between open and closed portions. The jaw portions each have blade sections for coactively circumferentially cutting a cable sheath when the levers are moved from the open to the closed position. Each blade section has a set of three aligned cutting parts of a cutting edge, including a first cutting part disposed at an acute angle with respect to a longitudinal axis of the tool, a second cutting part disposed at an acute angle with respect to the longitudinal axis of the tool, and an arcuate cutting part disposed between the first cutting part and the second cutting part.