Fons and Porter Square Up Ruler

Multifunctional ruler with repositionable plastic trangle (included)

Aids in squaring up and trimming half-square triangle units

Remove the repositionable triangle and you have a 6 inch ruler that is square with a diagonal line

1/4 inch grid marks in black and yellow

Fons and Porter 6-by-6 Inch Square Up Ruler. This unique multifunctional ruler with repositionable plastic trangle (included) aids in squaring up and trimming half-square triangle units quickly and accurately. Use to square-up or use as 6 inch ruler. Remove the repositionable triangle and you have a 6 inch ruler that is square with a diagonal line. 1/4 inch grid marks in black and yellow. Instructions for ruler use are printed on ruler.
Brand: Fons & Porter, Model: R7761, Color: Clear