Professional Diamond Tester Pen Kit | High-Accuracy Selector salon hair extensions Retractable Umbrella Design: Opens and

Retractable Umbrella Design: Opens and closes in seconds — no folding hassle

Keep your UGREEN 25000mAh 145W portable power bank looking brand new with this premium silicone protective sleeve

Patch Test Recommended: For first-time use

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

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

Professional Diamond Tester Pen Kit | High-Accuracy Selector salon hair extensions Retractable Umbrella Design: Opens andIdentify 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,