【Check 】If the red light cannot enter the fiber, check whether the ceramic core is damaged. If yes, please replace the ceramic core, no need to repurchase the red light pen.
【Installation】 free the metal tip, remove the ceramic core with tweezers , and gently insert the new ceramic sleeve by hand, then install the metal tip.
【Note】The Ceramic Core is fragile product, do not install brutly.
【Brand Service】12 months after-sales service gives you a good shopping experience. If you have any problem, please contact us, we will solve it for you and make you reap satisfaction.
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