The 49935 is a Hand Crimp Tool, used to crimp SOLISTRAND and STRATO-THERM terminals and splices onto stranded wire sizes 22 through 16AWG. Each tool consists of a CERTI-CRIMP tool ratchet and two crimping jaws (indenter and anvil) containing one, two or three crimping chambers. Each tool is marked with the wire size range for each crimping chamber.