Quickly make half-square, quarter-square, flying geese and bonus triangles, plus mark perfect seam allowances with this Essential Triangle Tool. Make half-square triangles in finished sizes from 1" to 6" and quarter-square triangles in finished sizes from 1" to 8" with the clear, two-color markings on the tool. It's solid corners easily fit to strips! Sew stitch-and-flip triangle blocks from leftover fabric with the bonus buddy ruler, which includes holes to double as a seam guide for your machine and markings to triple as a ruler. Perfect for quilters of all skill levels- get quick and accurate results.