Diode Module Red Dot Device Positioning DC5V for DIY Co2 Laser Engraving Cutting
Co2 Laser Head Adjust Focus Diode Module Red Dot Position DIY Engraver Cutter. High Power ZNSE Lens for CO2 Laser Engraver Cutter D:12 15 18 19 20mm FL:1"-7.5". CO2 Laser Lens II-VI CVD Znse Focus Lens 20mm 22mm 25mm 28mm High Power 25W-600W.