Greenlee 0252-11 NM Cable Ripper
Slits outer jacket of romex 10/2, 12/2, 14/2 and other non-metallic (Nm) sheathed cable, wire gauge on handle for identifying #6 to #14 AWG, corrosion-resistant zinc plating, side-entry design for end or mid-run slitting of jacket, Note: this is not an insulated tool