Amazon.com: ATOMSTACK S20 PRO Laser Engraver, 130W Laser Engraving Cutting Machine with Air Assist Kits, 20W Output Power 0.08 * 0.1mm Compressed Spot, Laser Cutter and Engraver Machine for Metal Steel
Amazon.com: 20W Laser Engraver Cutter, IKLESTAR 4240 CNC Laser Engraving Machine for Wood Metal Acrylic Glass, 420x400mm Large Working Area, 5W Optical Power, Fixed Focus Compressed Spot
Amazon.com: SCULPFUN S30 Pro Max Laser Engraver with Auto Air Assist, 20W Output Power CNC Laser Cutter, 130W Higher Accuracy Laser Engraving Machine for Colorizing Metal Engraving, Area Expandable to 36.8"x35.6" :
CNC Router Masuter Pro with 20W Laser Bundle Kit – FoxAlien
Amazon.com: 4240 Laser Engraver, 20W Laser Engraving Cutting Machine, Laser Machine 5W Output Power, Laser Cutter for Metal and Wood with 16.5”x15.75” Large Engraving Cutting Area (420x400mm)