Line Magnifier by LoRan - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available.
Line Magnifier by Loran
Magnetic Line Magnifier. The perfect companion for the LoRan Line Minder boards. 7/8” wide magnifying lens with magnets to hold it to your Line Minder. Red center line helps you keep your place on even the most detailed graphs!