450nm 40w Ttl Laser Engraving Diy Engraving Laser Module Wood Engraving Tool For Sale
module diy engraving 450nm 40w ttl engraving tool wood engraving laser laser. Product DescriptionMain performance a.Directly engrave mirror stainless steel no need painting black b. Super fast engraving speed 304 stainless steel up to 150mms with 20mm focus length c. Rema...