Spot on Dot Magnifying Lens Single 1" Dot
The Spot on Dot is a single 1" magnifying lens that will help you to see the lines on your ruler better, and the fabric lining up under those lines. You can use the Spot on Dot with any of your existing rulers. The Spot on Dot is self-adhesive and repositionable. If the adhesive no longer sticks, simply wash with gentle soap and water to reactivate the reusable adhesive.
Also available as a set with Spot on Dots in two sizes.