TRUECUT TRUE GRIPS NON-SLIP ADHESIVE RINGS BY THE GRACE COMPANY

For straight, precise cuts, enhance your ruler by adding non-slip TrueGrips! Increases safety and cutting accuracy by preventing slipping. Transparent for easy fabric visibility! 15 small and 15 large grips per package. The center of the circle is the small and the outer ring is the large. 

TRUEGRIPS