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https://www.atom-stack.com/products/portable-p7-m40-40w-atomstack-laser-engraver  ,ATOMSTACK P7 M40 is smaller, good-looking little laser engraver. Newly designed laser module with 4-fold lens group and collimation focusing technology, output 5.5W laser in extremely small spot of 0.02mm², remarkable laser power density enable you to engrave on ceramic or stainless steel metal directly with great details.03:21 71 03:21ATOMSTACK P7 M40 from Atom-stack. com 1080p 1080p

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