Ruler can also be used as a straight edge or as a bookmark. The center of the ruler functions as a 2X. Botton scale is in. Clear acrylic plastic.
Reading Magnifier Bar Acrylic Line Magnifying Ruler With Case Low Vision Aid
2pcs 6 Inch 2X Magnifying Ruler with Blue Sliding Marker - Transparent Line
Acrylic Magnifying Ruler Strip-shaped Reading Supply Card Games for Students
