Fons & Porter Pyramid Ruler

DRITZ-Fons & Porter Pyramid Ruler
Cut pyramid shapes in a snap! This pyramid ruler is designed to cut equilateral triangles that finish from 1 inch to 6 inch in a snap.
Features:
coordinates with both the Fons & Porter Triangle Ruler and 60-degree Diamond Ruler (not included);
this ruler does all the math for you;
easy-to-understand directions printed on the ruler and easy-to-understand instructions with photos and ideas for pyramid triangles are enclosed.
Ruler is clear acrylic with black and yellow markings.
Ruler measures: 6-5/8 x 7-3/4 x 1/8 inches
Made in USA.
UPC/EAN: 072879078947