20W Focusing Laser Engraving Head متعدد الألوان 17.50 x 6.00 x 12.00سم

Recommended distance between carvinghead and carving item is 30-50mm.
The focus-distance of 5.5W, 10W, 20W is adjustable, 30W fixed-focus, you can choose according to your demands.
Screw installtion, simple and can fixed tightly on the arm, help ensure smooth carving effect.
Strong and powerful, with fine engraving effect and low failure rate.
It can be sculpted very quickly, taking only a few minutes to complete a sculpture.