2. The genuine HOPPE handle safety base is black, and the plastic part is flat and shaped. Some fake bases are other colors, and the plastic part is deformed.
3. Authentic HOPPE trademark lines are delicate, clear and uniform. Counterfeit product trademark bronzing is double-layered, rough, fuzzy and deformed.
4. Authentic German HOPPE handles adopt uniform color code, and there is no color difference. pseudo color is varied, and some surfaces are even more delicate than the real ones.
5. The fake German HOPPE handle will fade, darken and even the sprayed surface will fall off.
6. In addition, if the HOPPE handle is rotated by180 and the window is adjusted from the closed position to the inverted position, the linkage will make a series of clear clicks, which is difficult for other products to imitate.