Glow Edge Acrylic 15 Degree Ruler 22 1/2 inches Long
The ruler is made out of fluorescent Yellow Acrylic so the Edges glow
No more having to look for the edge.
Additional Product Information:
The fifteen degree wedge is used to make the quilts in the book Quilts Without Corners. Twenty-four wedge pieces make a circle up to 50 inches in diameter.