*The sale price and retail price are the same due to the manufacturer's regulated pricing. Sew together 12 triangles to create a complete circle; 6 to create a half-circle; or 3 to create a quarter-circle. Make pieced arcs and circles up to a finished size of 38 inches. This 19 1/2" 30 degree triangle includes 30 degree, 45 degree, and 60 degree angles. Order# CGRSG1 For more Creative Grids Rulers with FREE SHIPPING click on the link.