What would you like to do to make clear enough line alignment? If it is processing at quite long work distance, it is an easy job to operate a Berlinlasers 445nm blue line laser module. Beginning with high power up to 50mW to 100mW, and metal heat sink cooling system inside highly durable anodized aluminum alloy housing tube, it assures good thermal emitting, wide operating temperature stabilization, and highly clear blue line alignment in long lasting use.
Available with qualified glass coated lens within 10 to 110 degree, this blue laser line generator is projecting extremely clear and fine blue line within 0.5 meter to 6 meters. Any time users are making freely adjusted laser line fineness and line emitting direction, it makes sure of no mistake line alignment for sand milling, lumber machine, laser show, laser displaying and laser communication etc.
https://www.berlinlasers.com/445nm-50mw-80mw-100mw-blue-line-laser-module