Amazon.com: 40W 4240 Laser Engraver and Cutter Machine, 10W Optical Laser Engraving Machine for Metal Wood, CNC Router with 16.5”x15.7” Large Working Area, Fixed Focus Compressed Spot
Laser Tree 40w 20mm Fixed Focus Laser Module With Protective Cover For Engraving Machine Wood Working Tools And Accessories - Wood Router - AliExpress
Amazon.com: ATOMSTACK A5 M50 PRO Laser Engraver, 40W Laser Cutter with Offline Engraving, Laser Engraving Machine with APP Operate Fuction, 5.5W-6W Output Power, 410x400mm
40W Laser Engraving Machine with 30*40cm Working Area - China Mini Marking Machine, Working Area 30*40cm | Made-in-China.com
40W CO2 Laser Cutting and Engraving Machine 12x8 Inch – Star Engraver
Amazon.com: OMTech 40W Laser Engraver, 8"x12" Desktop K40 Laser Engraving Machine, 200x300 Laser Etching Machine with Red Dot Pointer LCD Panel Software Bundle Water Pump Exhaust Pipe for Wood Acrylic Fabric More