* THIS ROUND CABLE SLITTING AND RINGING TOOL CAN BE USED ON SINGLE OR MULTIPLE CONDUCTOR CABLE FROM 0.177"(4.5mm) UP TO 1.75" (45mm) O.D. THE BLADE CAN BE ADJUSTED FOR JACKET THICKNESS UP TO 0.125" (3.175mm) * THE BLADE CAN CUT AROUND THE CABLE JACKET FOR EASY REMOVAL. * A SPARE BLADE IS ABLE TO BE STORED IN THE HANDLE BASE (OPTIONAL).