Some of our major customers are companies who make hand held tools such as wrenches and screwdrivers.  However, different companies use different methods to etch or mark their products.  Here are two examples of different ways a tool could be etched and read by our LDS optics.

Chrome with passivated etching
Chrome plated 11/32 box and open end wrench
Gray coated surface etching
Seven inch Needle Nose Pliers