This is my review of Longer B1 40W diode laser. Also we will do the first ever giveaway. You could win this amazing and powerful diode laser machine by linking, commenting and subscribing. #longer #longer40w #diodelaser

IF YOU WOULD LIKE TO SUPPORT THE CHANNEL AND PURCHASE ANY OTHER STUFF THAT I MAKE YOU CAN DO THAT NOW HERE. www.skylerewing.store

BUY LONGER B1 40 W LASER HERE: https://s.zbanx.com/r/6VptP8vf3Uso
code（-100）：B1ZBXS100
BUY 40W MODULE ONLY HERE ; https://s.zbanx.com/r/Wa1xAHsYvEKu