Modulo Laser 20W 450nm 40W TTL Luce Blu Laser Incisore Testa Legno Utensili Lavoro
450nm Adjustable Focus Laser Module for Laser Engraving Machine. The blue laser module is specially designed for CNC milling machine and DIY engraving. The wavelength is 450nm, which is an effective tool for laser engraving and cutting.