Cheap And Discounts FONLAND K Series CO2 Mini Laser Head Set D12/18/20mm FL50.8mm Lens for 2030 4060 K40 Laser Engraving Cutting Machine Wholesale. Buy Directly From Merchant FONLAND Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.