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" :
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)
Amazon.com: ATOMSTACK X20 PRO Laser Engraver, 130W DIY CNC Laser Engraving Cutting Machine, 20W Laser Power for Wood, Vinyl and Metal, Offline Engraving, Built-in Air Assist System, 400x400mm
xTool D1 Pro 20w Laser Engraver with RA2 Pro Rotary, 120W DIY Higher Accuracy Laser Cutter and Engraver Machine for Wood and Metal, Paper, Acrylic - Walmart.com
20W CNC Laser Engraver Master 2 Pro + Y Axis Rotatory Attachment for C – Star Engraver