The Klein Tools self adjusting wire stripper/cutter takes the guesswork out of stripping solid, stranded, and Romex wire. As the name suggests, this tool features a self-adjusting stripping head for quick, precise wire stripping. Its especially useful in panels and other places where multiple types and sizes of wire are present. Perfect for HVAC applications because it allows you to strip the outer jacket of thermostat wire and then all the associated individual wires. Its stripping head that adjusts to 10-20 AWG solid, 12-22 AWG stranded, and 12/2 and 14/2 Romex cable (all sizes) and other non-metallic (type NM) sheathed cable.

It has convenient wire cutter in handle
It has adjustable stopper to control the length of the core strip