Jeweler Diamond Tool Kit : Portable Diamond Tester - Loupe - Gemstone Tweezers Main features: LED light and audio result indication Accurate and reliable reading Metal alert Simple calibration for stones of various sizes Convenient carrying case Testing platform for loose stones Items Included One portable diamond tester (V2) One vinyl carrying case One testing platform One 9V battery One mini 60X jeweler's loupe One vinyl carrying case One pair of stainless steel point tweezers with sliding lock User's manuals One year limited warranty