Professional Diamond Tester Pen Kit | High-Accuracy Selector salon hair extensions "text": "The shelf life is

"text": "The shelf life is 36 months from the date of manufacture when stored properly in a cool

Suitable for Ages 13+: Designed for teenagers through adults who participate in active sports

The sturdy build holds up to demanding use in the field

Easy to Clean: Smooth surfaces wipe clean quickly — low maintenance and hygienic

or flower beds within minutes — no electrical skills required

Professional Diamond Tester Pen Kit | High-Accuracy Selector salon hair extensions "text": "The shelf life isIdentify Real Diamonds with Confidence Whether you're a jeweler, gemologist, or jewelry enthusiast, this Professional Diamond Tester Pen Kit gives you fast, accurate results at your fingertips. Featuring both LED light and audio indicators, this compact selector helps you distinguish genuine diamonds from simulants in seconds no guesswork, no lab required. Key Features High Accuracy Detection: Reliable thermal conductivity testing delivers consistent,