The Cutter Heads' blades last up to 15,000 strips & its low cost makes additional or replacement cutters very affordable. A very powerful Portable Hand-Held Driver. This tool is assembled with only the highest quality components & comes with a 100% "No Questions Asked" Warranty to prove it. This driver can be powered by a removable Ni-Cad battery pack or by optional AC Power Supply. FAST... Cuts & strips coax in 3 seconds. Quick change patented cutter heads available for all types of cable & connectors. Blades last up to 15,000 strips. Kit comes complete with: hand held driver, removable Ni-Cad battery pack, AC charger, DC charger, one cutter head (any strip dimension), carrying case with compartments for additional cutter heads. Extra cutter heads are available for other cable types. PLEASE SPECIFY THE MAKE AND MODEL OF CABLE & THE MAKE AND MODEL OF CONNECTOR YOU WILL BE USING.