This is a 6″ x 24″ ruler that can be used to square- up flying geese and triangle pieced squires. Also great for cutting short strips. This ruler is made of heavy gauge acrylic and features 1/8 inch, 1/4 inch, 1/2 inch and 1 inch lines, 45 and 60 degree lines. Made of heavy gauge acrylic and is laser precise.Made in the USA.