Cheap And Discounts ZBAITU 80W Laser Module 450nm Blue Laser Diode Head for CNC Cutting Machine With Air Assist Engraving Woodworking DIY Logo Mark Wholesale. Buy Directly From Merchant ZBAITU Sales Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.