The Klein 74017 NM Cable Ripper is easy to use. It slits the outer jacket of "Romex" cable (all sizes) & other nonmetallic (type NM) sheathed cable. It also measures conductor wire-gauge from 8 to 14 AWG.
Product Overall Length Model # Klein NM Cable Ripper 8-14 AWG ~ 74017 4"74017
For California Residents:
WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood