The Fluke Networks PTNX8-CT Pocket Toner® NX8 Cable and Telephone Kit is the ideal primary kit for triple play installers offering testing for continuity, shorts, 50-75Ω termination and polarity on up to eight cables at once. Comprehensive Cable Toner kit includes the NX8 Pocket Toner® wtih LED display, Dial Tone Detective, a variety of adapters and couplers for telephone and TV testing, plus AAA batteries all organized in a zipper case with belt clip.