Line Tool Co. Micro Positioner Linear Travelling Microscope? This is a used item. It is in good cosmetic condition. We have not been able to find much information on this item. This unit measures about 16" in overall length. It has a Line Tool linear micro positioner with a micrometer. It does not have a model number that we can find any information on. The tube is marked, "677-0556-001". It has a Zeiss 3,2/0,07 160/- objective. The lens is a Bausch Lomb 10X W.F. Stereo model. The tube has a circular type of measuring scale as can be seen in the last picture. It has an illuminator mounted to it, but there is no bulb, or power supply. Also the power cable needs to be replaced. We are not able to test it. It only comes with what is shown in the pictures. WB S8-5 d 8528198 rl fdk 80111248